diff --git a/Core/nbproject/project.properties b/Core/nbproject/project.properties
index 8209da0221..5e07fadf28 100644
--- a/Core/nbproject/project.properties
+++ b/Core/nbproject/project.properties
@@ -75,7 +75,7 @@ file.reference.javax.ws.rs-api-2.0.1.jar=release/modules/ext/javax.ws.rs-api-2.0
 file.reference.cxf-core-3.0.16.jar=release/modules/ext/cxf-core-3.0.16.jar
 file.reference.cxf-rt-frontend-jaxrs-3.0.16.jar=release/modules/ext/cxf-rt-frontend-jaxrs-3.0.16.jar
 file.reference.cxf-rt-transports-http-3.0.16.jar=release/modules/ext/cxf-rt-transports-http-3.0.16.jar
-file.reference.sleuthkit-postgresql-4.6.6.jar=release/modules/ext/sleuthkit-postgresql-4.6.6.jar
+file.reference.sleuthkit-postgresql-4.6.7.jar=release/modules/ext/sleuthkit-postgresql-4.6.7.jar
 file.reference.curator-client-2.8.0.jar=release/modules/ext/curator-client-2.8.0.jar
 file.reference.curator-framework-2.8.0.jar=release/modules/ext/curator-framework-2.8.0.jar
 file.reference.curator-recipes-2.8.0.jar=release/modules/ext/curator-recipes-2.8.0.jar
diff --git a/Core/nbproject/project.xml b/Core/nbproject/project.xml
index 3dbc3069e3..967399cc20 100644
--- a/Core/nbproject/project.xml
+++ b/Core/nbproject/project.xml
@@ -482,8 +482,8 @@
                 <binary-origin>release\modules\ext\jmatio-1.5.jar</binary-origin>
             </class-path-extension>
             <class-path-extension>
-                <runtime-relative-path>ext/sleuthkit-postgresql-4.6.6.jar</runtime-relative-path>
-                <binary-origin>release/modules/ext/sleuthkit-postgresql-4.6.6.jar</binary-origin>
+                <runtime-relative-path>ext/sleuthkit-postgresql-4.6.7.jar</runtime-relative-path>
+                <binary-origin>release/modules/ext/sleuthkit-postgresql-4.6.7.jar</binary-origin>
             </class-path-extension>
             <class-path-extension>
                 <runtime-relative-path>ext/tika-parsers-1.20.jar</runtime-relative-path>
diff --git a/Core/src/org/sleuthkit/autopsy/communications/images/nail.png b/Core/src/org/sleuthkit/autopsy/communications/images/nail.png
new file mode 100755
index 0000000000..f10f365a10
Binary files /dev/null and b/Core/src/org/sleuthkit/autopsy/communications/images/nail.png differ
diff --git a/Core/src/org/sleuthkit/autopsy/communications/images/screw.png b/Core/src/org/sleuthkit/autopsy/communications/images/screw.png
new file mode 100755
index 0000000000..ec8d434e25
Binary files /dev/null and b/Core/src/org/sleuthkit/autopsy/communications/images/screw.png differ
diff --git a/Core/src/org/sleuthkit/autopsy/communications/images/threaded.png b/Core/src/org/sleuthkit/autopsy/communications/images/threaded.png
new file mode 100755
index 0000000000..449f6bad6c
Binary files /dev/null and b/Core/src/org/sleuthkit/autopsy/communications/images/threaded.png differ
diff --git a/Core/src/org/sleuthkit/autopsy/communications/images/unthreaded.png b/Core/src/org/sleuthkit/autopsy/communications/images/unthreaded.png
new file mode 100755
index 0000000000..e66695ea88
Binary files /dev/null and b/Core/src/org/sleuthkit/autopsy/communications/images/unthreaded.png differ
diff --git a/Core/src/org/sleuthkit/autopsy/communications/relationships/Bundle.properties b/Core/src/org/sleuthkit/autopsy/communications/relationships/Bundle.properties
index 4970a5958e..970f5474a4 100755
--- a/Core/src/org/sleuthkit/autopsy/communications/relationships/Bundle.properties
+++ b/Core/src/org/sleuthkit/autopsy/communications/relationships/Bundle.properties
@@ -11,5 +11,13 @@ SummaryViewer.emailDataLabel.text=emails
 SummaryViewer.attachmentsDataLabel.text=attachments
 SummaryViewer.messagesLabel.text=Messages:
 SummaryViewer.callLogsLabel.text=Call Logs:
+ThreadRootMessagePanel.showAllCheckBox.text=Show All Messages
+ThreadPane.backButton.text=<---
 SummaryViewer.caseReferencesPanel.border.title=Other Occurrences
 SummaryViewer.fileReferencesPanel.border.title=File References in Current Case
+MessageViewer.threadsLabel.text=Select a Thread to View
+MessageViewer.threadNameLabel.text=<threadName>
+MessageViewer.showingMessagesLabel.text=Showing Messages for Thread:
+MessageViewer.backButton.AccessibleContext.accessibleDescription=
+MessageViewer.backButton.text=Threads
+MessageViewer.showAllButton.text=All Messages
diff --git a/Core/src/org/sleuthkit/autopsy/communications/relationships/Bundle.properties-MERGED b/Core/src/org/sleuthkit/autopsy/communications/relationships/Bundle.properties-MERGED
index 162cf1982f..9b01fc653b 100755
--- a/Core/src/org/sleuthkit/autopsy/communications/relationships/Bundle.properties-MERGED
+++ b/Core/src/org/sleuthkit/autopsy/communications/relationships/Bundle.properties-MERGED
@@ -19,12 +19,16 @@ MessageNode_Node_Property_Subject=Subject
 MessageNode_Node_Property_To=To
 MessageNode_Node_Property_Type=Type
 MessageViewer_columnHeader_Attms=Attachments
-MessageViewer_columnHeader_Date=Date
+MessageViewer_columnHeader_Date=Data
+MessageViewer_columnHeader_EarlyDate=Earliest Message
 MessageViewer_columnHeader_From=From
 MessageViewer_columnHeader_Subject=Subject
 MessageViewer_columnHeader_To=To
 MessageViewer_no_messages=<No messages found for selected account>
 MessageViewer_tabTitle=Messages
+MessageViewer_viewMessage_all=All
+MessageViewer_viewMessage_selected=Selected
+MessageViewer_viewMessage_unthreaded=Unthreaded
 SummaryViewer.countsPanel.border.title=Counts
 SummaryViewer.emailLabel.text=Emails:
 SummaryViewer.contactsLabel.text=Contacts:
@@ -37,11 +41,19 @@ SummaryViewer.emailDataLabel.text=emails
 SummaryViewer.attachmentsDataLabel.text=attachments
 SummaryViewer.messagesLabel.text=Messages:
 SummaryViewer.callLogsLabel.text=Call Logs:
-SummaryViewer.caseReferencesPanel.border.title=Other Occurrences
-SummaryViewer.fileReferencesPanel.border.title=File References in Current Case
 SummaryViewer_CaseRefNameColumn_Title=Case Name
 SummaryViewer_CentralRepository_Message=<Enable Central Resposity to see Other Occurrences>
 SummaryViewer_Creation_Date_Title=Creation Date
 SummaryViewer_FileRefNameColumn_Title=Path
 SummaryViewer_TabTitle=Summary
 SummeryViewer_FileRef_Message=<Select one Accout to see File References>
+ThreadRootMessagePanel.showAllCheckBox.text=Show All Messages
+ThreadPane.backButton.text=<---
+SummaryViewer.caseReferencesPanel.border.title=Other Occurrences
+SummaryViewer.fileReferencesPanel.border.title=File References in Current Case
+MessageViewer.threadsLabel.text=Select a Thread to View
+MessageViewer.threadNameLabel.text=<threadName>
+MessageViewer.showingMessagesLabel.text=Showing Messages for Thread:
+MessageViewer.backButton.AccessibleContext.accessibleDescription=
+MessageViewer.backButton.text=Threads
+MessageViewer.showAllButton.text=All Messages
diff --git a/Core/src/org/sleuthkit/autopsy/communications/relationships/ContactDetailsPane.form b/Core/src/org/sleuthkit/autopsy/communications/relationships/ContactDetailsPane.form
index 2ae2165358..671fac333e 100755
--- a/Core/src/org/sleuthkit/autopsy/communications/relationships/ContactDetailsPane.form
+++ b/Core/src/org/sleuthkit/autopsy/communications/relationships/ContactDetailsPane.form
@@ -17,34 +17,7 @@
     <AuxValue name="FormSettings_variablesModifier" type="java.lang.Integer" value="2"/>
   </AuxValues>
 
-  <Layout>
-    <DimensionLayout dim="0">
-      <Group type="103" groupAlignment="0" attributes="0">
-          <Group type="102" attributes="0">
-              <EmptySpace max="-2" attributes="0"/>
-              <Group type="103" groupAlignment="0" attributes="0">
-                  <Component id="propertySheet" max="32767" attributes="0"/>
-                  <Group type="102" attributes="0">
-                      <Component id="nameLabel" min="-2" max="-2" attributes="0"/>
-                      <EmptySpace min="0" pref="0" max="32767" attributes="0"/>
-                  </Group>
-              </Group>
-              <EmptySpace max="-2" attributes="0"/>
-          </Group>
-      </Group>
-    </DimensionLayout>
-    <DimensionLayout dim="1">
-      <Group type="103" groupAlignment="0" attributes="0">
-          <Group type="102" alignment="0" attributes="0">
-              <EmptySpace max="-2" attributes="0"/>
-              <Component id="nameLabel" min="-2" max="-2" attributes="0"/>
-              <EmptySpace max="-2" attributes="0"/>
-              <Component id="propertySheet" pref="283" max="32767" attributes="0"/>
-              <EmptySpace max="-2" attributes="0"/>
-          </Group>
-      </Group>
-    </DimensionLayout>
-  </Layout>
+  <Layout class="org.netbeans.modules.form.compat2.layouts.DesignGridBagLayout"/>
   <SubComponents>
     <Component class="javax.swing.JLabel" name="nameLabel">
       <Properties>
@@ -55,11 +28,21 @@
           <ResourceString bundle="org/sleuthkit/autopsy/communications/Bundle.properties" key="ContactDetailsPane.nameLabel.text" replaceFormat="org.openide.util.NbBundle.getMessage({sourceFileName}.class, &quot;{key}&quot;)"/>
         </Property>
       </Properties>
+      <Constraints>
+        <Constraint layoutClass="org.netbeans.modules.form.compat2.layouts.DesignGridBagLayout" value="org.netbeans.modules.form.compat2.layouts.DesignGridBagLayout$GridBagConstraintsDescription">
+          <GridBagConstraints gridX="0" gridY="0" gridWidth="1" gridHeight="1" fill="2" ipadX="0" ipadY="0" insetsTop="16" insetsLeft="15" insetsBottom="15" insetsRight="15" anchor="23" weightX="1.0" weightY="0.0"/>
+        </Constraint>
+      </Constraints>
     </Component>
     <Component class="org.openide.explorer.propertysheet.PropertySheet" name="propertySheet">
       <Properties>
         <Property name="descriptionAreaVisible" type="boolean" value="false"/>
       </Properties>
+      <Constraints>
+        <Constraint layoutClass="org.netbeans.modules.form.compat2.layouts.DesignGridBagLayout" value="org.netbeans.modules.form.compat2.layouts.DesignGridBagLayout$GridBagConstraintsDescription">
+          <GridBagConstraints gridX="0" gridY="1" gridWidth="2" gridHeight="1" fill="1" ipadX="0" ipadY="0" insetsTop="9" insetsLeft="15" insetsBottom="16" insetsRight="15" anchor="18" weightX="1.0" weightY="1.0"/>
+        </Constraint>
+      </Constraints>
     </Component>
   </SubComponents>
 </Form>
diff --git a/Core/src/org/sleuthkit/autopsy/communications/relationships/ContactDetailsPane.java b/Core/src/org/sleuthkit/autopsy/communications/relationships/ContactDetailsPane.java
index 82d4668e43..ae456e0abb 100755
--- a/Core/src/org/sleuthkit/autopsy/communications/relationships/ContactDetailsPane.java
+++ b/Core/src/org/sleuthkit/autopsy/communications/relationships/ContactDetailsPane.java
@@ -73,38 +73,36 @@ public final class ContactDetailsPane extends javax.swing.JPanel implements Expl
     @SuppressWarnings("unchecked")
     // <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents
     private void initComponents() {
+        java.awt.GridBagConstraints gridBagConstraints;
 
         messageContentViewer1 = new org.sleuthkit.autopsy.contentviewers.MessageContentViewer();
         nameLabel = new javax.swing.JLabel();
         propertySheet = new org.openide.explorer.propertysheet.PropertySheet();
 
+        setLayout(new java.awt.GridBagLayout());
+
         nameLabel.setFont(new java.awt.Font("Tahoma", 0, 24)); // NOI18N
         org.openide.awt.Mnemonics.setLocalizedText(nameLabel, org.openide.util.NbBundle.getMessage(ContactDetailsPane.class, "ContactDetailsPane.nameLabel.text")); // NOI18N
+        gridBagConstraints = new java.awt.GridBagConstraints();
+        gridBagConstraints.gridx = 0;
+        gridBagConstraints.gridy = 0;
+        gridBagConstraints.fill = java.awt.GridBagConstraints.HORIZONTAL;
+        gridBagConstraints.anchor = java.awt.GridBagConstraints.FIRST_LINE_START;
+        gridBagConstraints.weightx = 1.0;
+        gridBagConstraints.insets = new java.awt.Insets(16, 15, 15, 15);
+        add(nameLabel, gridBagConstraints);
 
         propertySheet.setDescriptionAreaVisible(false);
-
-        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(this);
-        this.setLayout(layout);
-        layout.setHorizontalGroup(
-            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
-            .addGroup(layout.createSequentialGroup()
-                .addContainerGap()
-                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
-                    .addComponent(propertySheet, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
-                    .addGroup(layout.createSequentialGroup()
-                        .addComponent(nameLabel)
-                        .addGap(0, 0, Short.MAX_VALUE)))
-                .addContainerGap())
-        );
-        layout.setVerticalGroup(
-            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
-            .addGroup(layout.createSequentialGroup()
-                .addContainerGap()
-                .addComponent(nameLabel)
-                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
-                .addComponent(propertySheet, javax.swing.GroupLayout.DEFAULT_SIZE, 283, Short.MAX_VALUE)
-                .addContainerGap())
-        );
+        gridBagConstraints = new java.awt.GridBagConstraints();
+        gridBagConstraints.gridx = 0;
+        gridBagConstraints.gridy = 1;
+        gridBagConstraints.gridwidth = 2;
+        gridBagConstraints.fill = java.awt.GridBagConstraints.BOTH;
+        gridBagConstraints.anchor = java.awt.GridBagConstraints.NORTHWEST;
+        gridBagConstraints.weightx = 1.0;
+        gridBagConstraints.weighty = 1.0;
+        gridBagConstraints.insets = new java.awt.Insets(9, 15, 16, 15);
+        add(propertySheet, gridBagConstraints);
     }// </editor-fold>//GEN-END:initComponents
 
 
diff --git a/Core/src/org/sleuthkit/autopsy/communications/relationships/ContactsChildNodeFactory.java b/Core/src/org/sleuthkit/autopsy/communications/relationships/ContactsChildNodeFactory.java
index 681a572b96..07f98c613b 100755
--- a/Core/src/org/sleuthkit/autopsy/communications/relationships/ContactsChildNodeFactory.java
+++ b/Core/src/org/sleuthkit/autopsy/communications/relationships/ContactsChildNodeFactory.java
@@ -36,7 +36,7 @@ import org.sleuthkit.datamodel.TskCoreException;
  * ChildFactory for ContactNodes.
  */
 final class ContactsChildNodeFactory extends ChildFactory<BlackboardArtifact>{
-    private static final Logger logger = Logger.getLogger(MessagesChildNodeFactory.class.getName());
+    private static final Logger logger = Logger.getLogger(ContactsChildNodeFactory.class.getName());
 
     private SelectionInfo selectionInfo;
 
diff --git a/Core/src/org/sleuthkit/autopsy/communications/relationships/MessageNode.java b/Core/src/org/sleuthkit/autopsy/communications/relationships/MessageNode.java
index d1cdcbabf2..cc67e10fbd 100755
--- a/Core/src/org/sleuthkit/autopsy/communications/relationships/MessageNode.java
+++ b/Core/src/org/sleuthkit/autopsy/communications/relationships/MessageNode.java
@@ -20,11 +20,11 @@ package org.sleuthkit.autopsy.communications.relationships;
 
 import java.util.TimeZone;
 import java.util.logging.Level;
+import javax.swing.Action;
 import org.apache.commons.lang3.StringUtils;
 import org.openide.nodes.Sheet;
 import org.openide.util.NbBundle.Messages;
 import org.sleuthkit.autopsy.coreutils.Logger;
-import org.sleuthkit.autopsy.datamodel.BlackboardArtifactNode;
 import org.sleuthkit.autopsy.datamodel.NodeProperty;
 import org.sleuthkit.datamodel.BlackboardArtifact;
 import org.sleuthkit.datamodel.BlackboardAttribute;
@@ -40,20 +40,31 @@ import static org.sleuthkit.datamodel.BlackboardAttribute.TSK_BLACKBOARD_ATTRIBU
 import org.sleuthkit.datamodel.TimeUtilities;
 import org.sleuthkit.datamodel.TskCoreException;
 import org.sleuthkit.autopsy.communications.Utils;
+import org.sleuthkit.autopsy.datamodel.BlackboardArtifactNode;
 
 /**
  * Wraps a BlackboardArtifact as an AbstractNode for use in an OutlookView
  */
-final class MessageNode extends BlackboardArtifactNode {
+class MessageNode extends BlackboardArtifactNode {
 
+    public static final String UNTHREADED_ID = "<UNTHREADED>";
+    
     private static final Logger logger = Logger.getLogger(MessageNode.class.getName());
+    
+    private final String threadID;
+    
+    private final Action preferredAction;
 
-    MessageNode(BlackboardArtifact artifact) {
+    MessageNode(BlackboardArtifact artifact, String threadID,  Action preferredAction) {
         super(artifact);
+        
+        this.preferredAction = preferredAction;
 
         final String stripEnd = StringUtils.stripEnd(artifact.getDisplayName(), "s"); // NON-NLS
         String removeEndIgnoreCase = StringUtils.removeEndIgnoreCase(stripEnd, "message"); // NON-NLS
         setDisplayName(removeEndIgnoreCase.isEmpty() ? stripEnd : removeEndIgnoreCase);
+        
+        this.threadID = threadID;
     }
 
     @Messages({
@@ -75,6 +86,8 @@ final class MessageNode extends BlackboardArtifactNode {
         }
 
         sheetSet.put(new NodeProperty<>("Type", Bundle.MessageNode_Node_Property_Type(), "", getDisplayName())); //NON-NLS
+        
+        sheetSet.put(new NodeProperty<>("ThreadID", "ThreadID","",threadID == null ? UNTHREADED_ID : threadID)); //NON-NLS
 
         final BlackboardArtifact artifact = getArtifact();
 
@@ -167,4 +180,13 @@ final class MessageNode extends BlackboardArtifactNode {
     public String getSourceName() {
         return getDisplayName();
     }
+    
+    String getThreadID() {
+        return threadID;
+    }
+    
+    @Override
+    public Action getPreferredAction() {
+        return preferredAction;
+    }
 }
diff --git a/Core/src/org/sleuthkit/autopsy/communications/relationships/MessageViewer.form b/Core/src/org/sleuthkit/autopsy/communications/relationships/MessageViewer.form
new file mode 100755
index 0000000000..37aa8bdfd5
--- /dev/null
+++ b/Core/src/org/sleuthkit/autopsy/communications/relationships/MessageViewer.form
@@ -0,0 +1,140 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+
+<Form version="1.5" maxVersion="1.9" type="org.netbeans.modules.form.forminfo.JPanelFormInfo">
+  <AuxValues>
+    <AuxValue name="FormSettings_autoResourcing" type="java.lang.Integer" value="1"/>
+    <AuxValue name="FormSettings_autoSetComponentName" type="java.lang.Boolean" value="false"/>
+    <AuxValue name="FormSettings_generateFQN" type="java.lang.Boolean" value="true"/>
+    <AuxValue name="FormSettings_generateMnemonicsCode" type="java.lang.Boolean" value="true"/>
+    <AuxValue name="FormSettings_i18nAutoMode" type="java.lang.Boolean" value="true"/>
+    <AuxValue name="FormSettings_layoutCodeTarget" type="java.lang.Integer" value="1"/>
+    <AuxValue name="FormSettings_listenerGenerationStyle" type="java.lang.Integer" value="0"/>
+    <AuxValue name="FormSettings_variablesLocal" type="java.lang.Boolean" value="false"/>
+    <AuxValue name="FormSettings_variablesModifier" type="java.lang.Integer" value="2"/>
+    <AuxValue name="designerSize" type="java.awt.Dimension" value="-84,-19,0,5,115,114,0,18,106,97,118,97,46,97,119,116,46,68,105,109,101,110,115,105,111,110,65,-114,-39,-41,-84,95,68,20,2,0,2,73,0,6,104,101,105,103,104,116,73,0,5,119,105,100,116,104,120,112,0,0,3,-126,0,0,2,-76"/>
+  </AuxValues>
+
+  <Layout class="org.netbeans.modules.form.compat2.layouts.DesignCardLayout"/>
+  <SubComponents>
+    <Container class="javax.swing.JPanel" name="rootMessagesPane">
+      <Properties>
+        <Property name="opaque" type="boolean" value="false"/>
+      </Properties>
+      <Constraints>
+        <Constraint layoutClass="org.netbeans.modules.form.compat2.layouts.DesignCardLayout" value="org.netbeans.modules.form.compat2.layouts.DesignCardLayout$CardConstraintsDescription">
+          <CardConstraints cardName="threads"/>
+        </Constraint>
+      </Constraints>
+
+      <Layout class="org.netbeans.modules.form.compat2.layouts.DesignGridBagLayout"/>
+      <SubComponents>
+        <Component class="javax.swing.JLabel" name="threadsLabel">
+          <Properties>
+            <Property name="text" type="java.lang.String" editor="org.netbeans.modules.i18n.form.FormI18nStringEditor">
+              <ResourceString bundle="org/sleuthkit/autopsy/communications/relationships/Bundle.properties" key="MessageViewer.threadsLabel.text" replaceFormat="org.openide.util.NbBundle.getMessage({sourceFileName}.class, &quot;{key}&quot;)"/>
+            </Property>
+          </Properties>
+          <Constraints>
+            <Constraint layoutClass="org.netbeans.modules.form.compat2.layouts.DesignGridBagLayout" value="org.netbeans.modules.form.compat2.layouts.DesignGridBagLayout$GridBagConstraintsDescription">
+              <GridBagConstraints gridX="0" gridY="0" gridWidth="1" gridHeight="1" fill="2" ipadX="0" ipadY="0" insetsTop="15" insetsLeft="15" insetsBottom="9" insetsRight="0" anchor="18" weightX="1.0" weightY="0.0"/>
+            </Constraint>
+          </Constraints>
+        </Component>
+        <Component class="javax.swing.JButton" name="showAllButton">
+          <Properties>
+            <Property name="text" type="java.lang.String" editor="org.netbeans.modules.i18n.form.FormI18nStringEditor">
+              <ResourceString bundle="org/sleuthkit/autopsy/communications/relationships/Bundle.properties" key="MessageViewer.showAllButton.text" replaceFormat="org.openide.util.NbBundle.getMessage({sourceFileName}.class, &quot;{key}&quot;)"/>
+            </Property>
+          </Properties>
+          <Events>
+            <EventHandler event="actionPerformed" listener="java.awt.event.ActionListener" parameters="java.awt.event.ActionEvent" handler="showAllButtonActionPerformed"/>
+          </Events>
+          <Constraints>
+            <Constraint layoutClass="org.netbeans.modules.form.compat2.layouts.DesignGridBagLayout" value="org.netbeans.modules.form.compat2.layouts.DesignGridBagLayout$GridBagConstraintsDescription">
+              <GridBagConstraints gridX="0" gridY="2" gridWidth="1" gridHeight="1" fill="0" ipadX="0" ipadY="0" insetsTop="0" insetsLeft="15" insetsBottom="15" insetsRight="0" anchor="17" weightX="0.0" weightY="0.0"/>
+            </Constraint>
+          </Constraints>
+        </Component>
+        <Component class="org.sleuthkit.autopsy.communications.relationships.OutlineViewPanel" name="rootTablePane">
+          <Properties>
+            <Property name="border" type="javax.swing.border.Border" editor="org.netbeans.modules.form.editors2.BorderEditor">
+              <Border info="org.netbeans.modules.form.compat2.border.LineBorderInfo">
+                <LineBorder/>
+              </Border>
+            </Property>
+          </Properties>
+          <Constraints>
+            <Constraint layoutClass="org.netbeans.modules.form.compat2.layouts.DesignGridBagLayout" value="org.netbeans.modules.form.compat2.layouts.DesignGridBagLayout$GridBagConstraintsDescription">
+              <GridBagConstraints gridX="0" gridY="1" gridWidth="2" gridHeight="1" fill="1" ipadX="0" ipadY="0" insetsTop="0" insetsLeft="15" insetsBottom="9" insetsRight="15" anchor="18" weightX="1.0" weightY="1.0"/>
+            </Constraint>
+          </Constraints>
+        </Component>
+      </SubComponents>
+    </Container>
+    <Container class="javax.swing.JPanel" name="messagePanel">
+      <Constraints>
+        <Constraint layoutClass="org.netbeans.modules.form.compat2.layouts.DesignCardLayout" value="org.netbeans.modules.form.compat2.layouts.DesignCardLayout$CardConstraintsDescription">
+          <CardConstraints cardName="messages"/>
+        </Constraint>
+      </Constraints>
+
+      <Layout class="org.netbeans.modules.form.compat2.layouts.DesignGridBagLayout"/>
+      <SubComponents>
+        <Component class="org.sleuthkit.autopsy.communications.relationships.MessagesPanel" name="threadMessagesPanel">
+          <AuxValues>
+            <AuxValue name="JavaCodeGenerator_CreateCodeCustom" type="java.lang.String" value="new MessagesPanel()"/>
+          </AuxValues>
+          <Constraints>
+            <Constraint layoutClass="org.netbeans.modules.form.compat2.layouts.DesignGridBagLayout" value="org.netbeans.modules.form.compat2.layouts.DesignGridBagLayout$GridBagConstraintsDescription">
+              <GridBagConstraints gridX="0" gridY="3" gridWidth="3" gridHeight="1" fill="1" ipadX="0" ipadY="0" insetsTop="0" insetsLeft="15" insetsBottom="0" insetsRight="15" anchor="18" weightX="1.0" weightY="1.0"/>
+            </Constraint>
+          </Constraints>
+        </Component>
+        <Component class="javax.swing.JButton" name="backButton">
+          <Properties>
+            <Property name="text" type="java.lang.String" editor="org.netbeans.modules.i18n.form.FormI18nStringEditor">
+              <ResourceString bundle="org/sleuthkit/autopsy/communications/relationships/Bundle.properties" key="MessageViewer.backButton.text" replaceFormat="org.openide.util.NbBundle.getMessage({sourceFileName}.class, &quot;{key}&quot;)"/>
+            </Property>
+          </Properties>
+          <AccessibilityProperties>
+            <Property name="AccessibleContext.accessibleDescription" type="java.lang.String" editor="org.netbeans.modules.i18n.form.FormI18nStringEditor">
+              <ResourceString bundle="org/sleuthkit/autopsy/communications/relationships/Bundle.properties" key="MessageViewer.backButton.AccessibleContext.accessibleDescription" replaceFormat="org.openide.util.NbBundle.getMessage({sourceFileName}.class, &quot;{key}&quot;)"/>
+            </Property>
+          </AccessibilityProperties>
+          <Events>
+            <EventHandler event="actionPerformed" listener="java.awt.event.ActionListener" parameters="java.awt.event.ActionEvent" handler="backButtonActionPerformed"/>
+          </Events>
+          <Constraints>
+            <Constraint layoutClass="org.netbeans.modules.form.compat2.layouts.DesignGridBagLayout" value="org.netbeans.modules.form.compat2.layouts.DesignGridBagLayout$GridBagConstraintsDescription">
+              <GridBagConstraints gridX="2" gridY="0" gridWidth="1" gridHeight="1" fill="0" ipadX="0" ipadY="0" insetsTop="9" insetsLeft="0" insetsBottom="9" insetsRight="15" anchor="13" weightX="1.0" weightY="0.0"/>
+            </Constraint>
+          </Constraints>
+        </Component>
+        <Component class="javax.swing.JLabel" name="showingMessagesLabel">
+          <Properties>
+            <Property name="text" type="java.lang.String" editor="org.netbeans.modules.i18n.form.FormI18nStringEditor">
+              <ResourceString bundle="org/sleuthkit/autopsy/communications/relationships/Bundle.properties" key="MessageViewer.showingMessagesLabel.text" replaceFormat="org.openide.util.NbBundle.getMessage({sourceFileName}.class, &quot;{key}&quot;)"/>
+            </Property>
+          </Properties>
+          <Constraints>
+            <Constraint layoutClass="org.netbeans.modules.form.compat2.layouts.DesignGridBagLayout" value="org.netbeans.modules.form.compat2.layouts.DesignGridBagLayout$GridBagConstraintsDescription">
+              <GridBagConstraints gridX="0" gridY="0" gridWidth="1" gridHeight="1" fill="0" ipadX="0" ipadY="0" insetsTop="9" insetsLeft="15" insetsBottom="5" insetsRight="0" anchor="17" weightX="0.0" weightY="0.0"/>
+            </Constraint>
+          </Constraints>
+        </Component>
+        <Component class="javax.swing.JLabel" name="threadNameLabel">
+          <Properties>
+            <Property name="text" type="java.lang.String" editor="org.netbeans.modules.i18n.form.FormI18nStringEditor">
+              <ResourceString bundle="org/sleuthkit/autopsy/communications/relationships/Bundle.properties" key="MessageViewer.threadNameLabel.text" replaceFormat="org.openide.util.NbBundle.getMessage({sourceFileName}.class, &quot;{key}&quot;)"/>
+            </Property>
+          </Properties>
+          <Constraints>
+            <Constraint layoutClass="org.netbeans.modules.form.compat2.layouts.DesignGridBagLayout" value="org.netbeans.modules.form.compat2.layouts.DesignGridBagLayout$GridBagConstraintsDescription">
+              <GridBagConstraints gridX="1" gridY="0" gridWidth="1" gridHeight="1" fill="0" ipadX="0" ipadY="0" insetsTop="9" insetsLeft="5" insetsBottom="5" insetsRight="15" anchor="17" weightX="0.0" weightY="0.0"/>
+            </Constraint>
+          </Constraints>
+        </Component>
+      </SubComponents>
+    </Container>
+  </SubComponents>
+</Form>
diff --git a/Core/src/org/sleuthkit/autopsy/communications/relationships/MessageViewer.java b/Core/src/org/sleuthkit/autopsy/communications/relationships/MessageViewer.java
new file mode 100755
index 0000000000..09f5d8e87f
--- /dev/null
+++ b/Core/src/org/sleuthkit/autopsy/communications/relationships/MessageViewer.java
@@ -0,0 +1,439 @@
+/*
+ * Autopsy Forensic Browser
+ *
+ * Copyright 2019 Basis Technology Corp.
+ * Contact: carrier <at> sleuthkit <dot> org
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.sleuthkit.autopsy.communications.relationships;
+
+import java.awt.CardLayout;
+import java.awt.Component;
+import java.awt.Graphics2D;
+import java.awt.Image;
+import java.awt.KeyboardFocusManager;
+import java.awt.RenderingHints;
+import java.awt.event.ActionEvent;
+import java.awt.image.BufferedImage;
+import java.beans.PropertyChangeEvent;
+import java.beans.PropertyChangeListener;
+import java.beans.PropertyVetoException;
+import java.lang.reflect.InvocationTargetException;
+import java.util.ArrayList;
+import java.util.logging.Level;
+import javax.swing.AbstractAction;
+import javax.swing.ImageIcon;
+import javax.swing.JPanel;
+import javax.swing.ListSelectionModel;
+import javax.swing.SwingUtilities;
+import static javax.swing.SwingUtilities.isDescendingFrom;
+import org.netbeans.swing.outline.DefaultOutlineModel;
+import org.netbeans.swing.outline.Outline;
+import org.openide.explorer.ExplorerManager;
+import static org.openide.explorer.ExplorerUtils.createLookup;
+import org.openide.nodes.AbstractNode;
+import org.openide.nodes.Children;
+import org.openide.nodes.Node;
+import org.openide.nodes.Node.Property;
+import org.openide.nodes.Node.PropertySet;
+import org.openide.util.Exceptions;
+import org.openide.util.Lookup;
+import org.openide.util.NbBundle.Messages;
+import org.sleuthkit.autopsy.communications.ModifiableProxyLookup;
+import org.sleuthkit.autopsy.coreutils.Logger;
+
+/**
+ * The main panel for the messages tab of the RelationshipViewer
+ *
+ */
+@SuppressWarnings("PMD.SingularField") // UI widgets cause lots of false positives
+public class MessageViewer extends JPanel implements RelationshipsViewer {
+
+    private static final Logger logger = Logger.getLogger(MessageViewer.class.getName());
+
+    private final ModifiableProxyLookup proxyLookup;
+    private final PropertyChangeListener focusPropertyListener;
+    private final ThreadChildNodeFactory rootMessageFactory;
+    private final MessagesChildNodeFactory threadMessageNodeFactory;
+
+    private SelectionInfo currentSelectionInfo = null;
+
+    OutlineViewPanel currentPanel;
+
+    @Messages({
+        "MessageViewer_tabTitle=Messages",
+        "MessageViewer_columnHeader_From=From",
+        "MessageViewer_columnHeader_Date=Data",
+        "MessageViewer_columnHeader_To=To",
+        "MessageViewer_columnHeader_EarlyDate=Earliest Message",
+        "MessageViewer_columnHeader_Subject=Subject",
+        "MessageViewer_columnHeader_Attms=Attachments",
+        "MessageViewer_no_messages=<No messages found for selected account>",
+        "MessageViewer_viewMessage_all=All",
+        "MessageViewer_viewMessage_selected=Selected",
+        "MessageViewer_viewMessage_unthreaded=Unthreaded",})
+
+    /**
+     * Creates new form MessageViewer
+     */
+    public MessageViewer() {
+
+        initComponents();
+        currentPanel = rootTablePane;
+        proxyLookup = new ModifiableProxyLookup(createLookup(rootTablePane.getExplorerManager(), getActionMap()));
+        rootMessageFactory = new ThreadChildNodeFactory(new ShowThreadMessagesAction());
+        threadMessageNodeFactory = new MessagesChildNodeFactory();
+
+        // See org.sleuthkit.autopsy.timeline.TimeLineTopComponent for a detailed
+        // explaination of focusPropertyListener
+        focusPropertyListener = (final PropertyChangeEvent focusEvent) -> {
+            if (focusEvent.getPropertyName().equalsIgnoreCase("focusOwner")) {
+                final Component newFocusOwner = (Component) focusEvent.getNewValue();
+
+                if (newFocusOwner == null) {
+                    return;
+                }
+                if (isDescendingFrom(newFocusOwner, rootTablePane)) {
+                    proxyLookup.setNewLookups(createLookup(rootTablePane.getExplorerManager(), getActionMap()));
+                } else if (isDescendingFrom(newFocusOwner, MessageViewer.this)) {
+                    proxyLookup.setNewLookups(createLookup(currentPanel.getExplorerManager(), getActionMap()));
+                }
+            }
+        };
+
+        rootTablePane.getExplorerManager().setRootContext(
+                new AbstractNode(Children.create(rootMessageFactory, true)));
+        
+        rootTablePane.getOutlineView().setPopupAllowed(false);
+
+        Outline outline = rootTablePane.getOutlineView().getOutline();
+        rootTablePane.getOutlineView().setPropertyColumns(
+                "Date", Bundle.MessageViewer_columnHeader_EarlyDate(),
+                "Subject", Bundle.MessageViewer_columnHeader_Subject()
+        );
+        outline.setRootVisible(false);
+        ((DefaultOutlineModel) outline.getOutlineModel()).setNodesColumnLabel("Type");
+        outline.setSelectionMode(ListSelectionModel.SINGLE_INTERVAL_SELECTION);
+
+        rootTablePane.getExplorerManager().addPropertyChangeListener((PropertyChangeEvent evt) -> {
+            if (evt.getPropertyName().equals(ExplorerManager.PROP_SELECTED_NODES)) {
+                showSelectedThread();
+            }
+        });
+
+        threadMessagesPanel.setChildFactory(threadMessageNodeFactory);
+
+        rootTablePane.setTableColumnsWidth(10, 20, 70);
+        
+        Image image = getScaledImage((new ImageIcon(getClass().getResource("/org/sleuthkit/autopsy/timeline/images/arrow-180.png"))).getImage(), 16, 16);
+        backButton.setIcon(new ImageIcon(image) );
+    }
+
+    @Override
+    public String getDisplayName() {
+        return Bundle.MessageViewer_tabTitle();
+    }
+
+    @Override
+    public JPanel getPanel() {
+        return this;
+    }
+
+    @Override
+    public void setSelectionInfo(SelectionInfo info) {
+        currentSelectionInfo = info;
+
+        currentPanel = rootTablePane;
+
+        CardLayout layout = (CardLayout) this.getLayout();
+        layout.show(this, "threads");
+
+        rootMessageFactory.refresh(info);
+    }
+
+    @Override
+    public Lookup getLookup() {
+        return proxyLookup;
+    }
+
+    @Override
+    public void addNotify() {
+        super.addNotify();
+        //add listener that maintains correct selection in the Global Actions Context
+        KeyboardFocusManager.getCurrentKeyboardFocusManager()
+                .addPropertyChangeListener("focusOwner", focusPropertyListener);
+    }
+
+    @Override
+    public void removeNotify() {
+        super.removeNotify();
+        KeyboardFocusManager.getCurrentKeyboardFocusManager()
+                .removePropertyChangeListener("focusOwner", focusPropertyListener);
+    }
+
+    @SuppressWarnings("rawtypes")
+    private void showSelectedThread() {
+        final Node[] nodes = rootTablePane.getExplorerManager().getSelectedNodes();
+
+        if (nodes == null) {
+            return;
+        }
+
+        if (nodes.length == 0 || nodes.length > 1) {
+            return;
+        }
+
+        ArrayList<String> threadIDList = new ArrayList<>();
+        String subject = "";
+
+        PropertySet[] propertySets = nodes[0].getPropertySets();
+        for (PropertySet pset : propertySets) {
+            Property[] properties = pset.getProperties();
+            for (Property prop : properties) {
+                if (prop.getName().equalsIgnoreCase("threadid")) {
+                    try {
+                        String threadID = prop.getValue().toString();
+                        if (!threadIDList.contains(threadID)) {
+                            threadIDList.add(threadID);
+                        }
+                    } catch (IllegalAccessException | InvocationTargetException ex) {
+                        logger.log(Level.WARNING, String.format("Unable to get threadid for node: %s", nodes[0].getDisplayName()), ex);
+                    }
+                } else if (prop.getName().equalsIgnoreCase("subject")) {
+                    try {
+                        subject = prop.getValue().toString();
+                    } catch (IllegalAccessException | InvocationTargetException ex) {
+                        logger.log(Level.WARNING, String.format("Unable to get subject for node: %s", nodes[0].getDisplayName()), ex);
+                        subject = "<unavailable>";
+                    }
+                }
+            }
+
+        }
+
+        if (!threadIDList.isEmpty()) {
+            threadMessageNodeFactory.refresh(currentSelectionInfo, threadIDList);
+
+            if (!subject.isEmpty()) {
+                threadNameLabel.setText(subject);
+            } else {
+                threadNameLabel.setText(Bundle.MessageViewer_viewMessage_unthreaded());
+            }
+            
+           showMessagesPane();
+        }
+    }
+    
+    /**
+     * Make the threads pane visible.
+     */
+    private void showThreadsPane() {
+        switchCard("threads");
+    }
+    
+    /**
+     * Make the message pane visible.
+     */
+    private void showMessagesPane() {
+        switchCard("messages");
+    }
+    
+    /**
+     * Changes the visible panel (card).
+     * 
+     * @param cardName Name of card to show
+     */
+    private void switchCard(String cardName) {
+        SwingUtilities.invokeLater(new Runnable() {
+            @Override
+            public void run() {
+                CardLayout layout = (CardLayout)getLayout();
+                layout.show(MessageViewer.this, cardName);
+            }
+        });
+    }
+    
+    /**
+     * Scales the given image to the given width and height.
+     * 
+     * @param srcImg Image to scale
+     * @param w Image width
+     * @param h Image height
+     * 
+     * @return Scaled version of srcImg
+     */
+    private Image getScaledImage(Image srcImg, int w, int h){
+        BufferedImage resizedImg = new BufferedImage(w, h, BufferedImage.TYPE_INT_ARGB);
+        Graphics2D g2 = resizedImg.createGraphics();
+
+        g2.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BILINEAR);
+        g2.drawImage(srcImg, 0, 0, w, h, null);
+        g2.dispose();
+
+        return resizedImg;
+    }
+
+    /**
+     * This method is called from within the constructor to initialize the form.
+     * WARNING: Do NOT modify this code. The content of this method is always
+     * regenerated by the Form Editor.'
+     */
+    @SuppressWarnings("unchecked")
+    // <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents
+    private void initComponents() {
+        java.awt.GridBagConstraints gridBagConstraints;
+
+        rootMessagesPane = new javax.swing.JPanel();
+        threadsLabel = new javax.swing.JLabel();
+        showAllButton = new javax.swing.JButton();
+        rootTablePane = new org.sleuthkit.autopsy.communications.relationships.OutlineViewPanel();
+        messagePanel = new javax.swing.JPanel();
+        threadMessagesPanel = new MessagesPanel();
+        backButton = new javax.swing.JButton();
+        showingMessagesLabel = new javax.swing.JLabel();
+        threadNameLabel = new javax.swing.JLabel();
+
+        setLayout(new java.awt.CardLayout());
+
+        rootMessagesPane.setOpaque(false);
+        rootMessagesPane.setLayout(new java.awt.GridBagLayout());
+
+        org.openide.awt.Mnemonics.setLocalizedText(threadsLabel, org.openide.util.NbBundle.getMessage(MessageViewer.class, "MessageViewer.threadsLabel.text")); // NOI18N
+        gridBagConstraints = new java.awt.GridBagConstraints();
+        gridBagConstraints.gridx = 0;
+        gridBagConstraints.gridy = 0;
+        gridBagConstraints.fill = java.awt.GridBagConstraints.HORIZONTAL;
+        gridBagConstraints.anchor = java.awt.GridBagConstraints.NORTHWEST;
+        gridBagConstraints.weightx = 1.0;
+        gridBagConstraints.insets = new java.awt.Insets(15, 15, 9, 0);
+        rootMessagesPane.add(threadsLabel, gridBagConstraints);
+
+        org.openide.awt.Mnemonics.setLocalizedText(showAllButton, org.openide.util.NbBundle.getMessage(MessageViewer.class, "MessageViewer.showAllButton.text")); // NOI18N
+        showAllButton.addActionListener(new java.awt.event.ActionListener() {
+            public void actionPerformed(java.awt.event.ActionEvent evt) {
+                showAllButtonActionPerformed(evt);
+            }
+        });
+        gridBagConstraints = new java.awt.GridBagConstraints();
+        gridBagConstraints.gridx = 0;
+        gridBagConstraints.gridy = 2;
+        gridBagConstraints.anchor = java.awt.GridBagConstraints.WEST;
+        gridBagConstraints.insets = new java.awt.Insets(0, 15, 15, 0);
+        rootMessagesPane.add(showAllButton, gridBagConstraints);
+
+        rootTablePane.setBorder(javax.swing.BorderFactory.createLineBorder(new java.awt.Color(0, 0, 0)));
+        gridBagConstraints = new java.awt.GridBagConstraints();
+        gridBagConstraints.gridx = 0;
+        gridBagConstraints.gridy = 1;
+        gridBagConstraints.gridwidth = 2;
+        gridBagConstraints.fill = java.awt.GridBagConstraints.BOTH;
+        gridBagConstraints.anchor = java.awt.GridBagConstraints.NORTHWEST;
+        gridBagConstraints.weightx = 1.0;
+        gridBagConstraints.weighty = 1.0;
+        gridBagConstraints.insets = new java.awt.Insets(0, 15, 9, 15);
+        rootMessagesPane.add(rootTablePane, gridBagConstraints);
+
+        add(rootMessagesPane, "threads");
+
+        messagePanel.setLayout(new java.awt.GridBagLayout());
+        gridBagConstraints = new java.awt.GridBagConstraints();
+        gridBagConstraints.gridx = 0;
+        gridBagConstraints.gridy = 3;
+        gridBagConstraints.gridwidth = 3;
+        gridBagConstraints.fill = java.awt.GridBagConstraints.BOTH;
+        gridBagConstraints.anchor = java.awt.GridBagConstraints.NORTHWEST;
+        gridBagConstraints.weightx = 1.0;
+        gridBagConstraints.weighty = 1.0;
+        gridBagConstraints.insets = new java.awt.Insets(0, 15, 0, 15);
+        messagePanel.add(threadMessagesPanel, gridBagConstraints);
+
+        org.openide.awt.Mnemonics.setLocalizedText(backButton, org.openide.util.NbBundle.getMessage(MessageViewer.class, "MessageViewer.backButton.text")); // NOI18N
+        backButton.addActionListener(new java.awt.event.ActionListener() {
+            public void actionPerformed(java.awt.event.ActionEvent evt) {
+                backButtonActionPerformed(evt);
+            }
+        });
+        gridBagConstraints = new java.awt.GridBagConstraints();
+        gridBagConstraints.gridx = 2;
+        gridBagConstraints.gridy = 0;
+        gridBagConstraints.anchor = java.awt.GridBagConstraints.EAST;
+        gridBagConstraints.weightx = 1.0;
+        gridBagConstraints.insets = new java.awt.Insets(9, 0, 9, 15);
+        messagePanel.add(backButton, gridBagConstraints);
+        backButton.getAccessibleContext().setAccessibleDescription(org.openide.util.NbBundle.getMessage(MessageViewer.class, "MessageViewer.backButton.AccessibleContext.accessibleDescription")); // NOI18N
+
+        org.openide.awt.Mnemonics.setLocalizedText(showingMessagesLabel, org.openide.util.NbBundle.getMessage(MessageViewer.class, "MessageViewer.showingMessagesLabel.text")); // NOI18N
+        gridBagConstraints = new java.awt.GridBagConstraints();
+        gridBagConstraints.gridx = 0;
+        gridBagConstraints.gridy = 0;
+        gridBagConstraints.anchor = java.awt.GridBagConstraints.WEST;
+        gridBagConstraints.insets = new java.awt.Insets(9, 15, 5, 0);
+        messagePanel.add(showingMessagesLabel, gridBagConstraints);
+
+        org.openide.awt.Mnemonics.setLocalizedText(threadNameLabel, org.openide.util.NbBundle.getMessage(MessageViewer.class, "MessageViewer.threadNameLabel.text")); // NOI18N
+        gridBagConstraints = new java.awt.GridBagConstraints();
+        gridBagConstraints.gridx = 1;
+        gridBagConstraints.gridy = 0;
+        gridBagConstraints.anchor = java.awt.GridBagConstraints.WEST;
+        gridBagConstraints.insets = new java.awt.Insets(9, 5, 5, 15);
+        messagePanel.add(threadNameLabel, gridBagConstraints);
+
+        add(messagePanel, "messages");
+    }// </editor-fold>//GEN-END:initComponents
+
+    private void backButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_backButtonActionPerformed
+        try {
+            rootTablePane.getExplorerManager().setSelectedNodes(new Node[0]);
+        } catch (PropertyVetoException ex) {
+            Exceptions.printStackTrace(ex);
+        }
+        showThreadsPane();
+    }//GEN-LAST:event_backButtonActionPerformed
+
+    private void showAllButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_showAllButtonActionPerformed
+        threadMessageNodeFactory.refresh(currentSelectionInfo, null);
+        threadNameLabel.setText("All Messages");
+
+        showMessagesPane();
+    }//GEN-LAST:event_showAllButtonActionPerformed
+
+    // Variables declaration - do not modify//GEN-BEGIN:variables
+    private javax.swing.JButton backButton;
+    private javax.swing.JPanel messagePanel;
+    private javax.swing.JPanel rootMessagesPane;
+    private org.sleuthkit.autopsy.communications.relationships.OutlineViewPanel rootTablePane;
+    private javax.swing.JButton showAllButton;
+    private javax.swing.JLabel showingMessagesLabel;
+    private org.sleuthkit.autopsy.communications.relationships.MessagesPanel threadMessagesPanel;
+    private javax.swing.JLabel threadNameLabel;
+    private javax.swing.JLabel threadsLabel;
+    // End of variables declaration//GEN-END:variables
+
+    /**
+     * The preferred action of the table nodes.
+     */
+    class ShowThreadMessagesAction extends AbstractAction {
+
+        @Override
+        public void actionPerformed(ActionEvent e) {
+
+            SwingUtilities.invokeLater(new Runnable() {
+                @Override
+                public void run() {
+                    showSelectedThread();
+                }
+            });
+        }
+    }
+}
diff --git a/Core/src/org/sleuthkit/autopsy/communications/relationships/MessagesChildNodeFactory.java b/Core/src/org/sleuthkit/autopsy/communications/relationships/MessagesChildNodeFactory.java
index bb986c3920..726fba4341 100755
--- a/Core/src/org/sleuthkit/autopsy/communications/relationships/MessagesChildNodeFactory.java
+++ b/Core/src/org/sleuthkit/autopsy/communications/relationships/MessagesChildNodeFactory.java
@@ -27,52 +27,51 @@ import org.sleuthkit.autopsy.casemodule.Case;
 import org.sleuthkit.autopsy.casemodule.NoCurrentCaseException;
 import org.sleuthkit.autopsy.coreutils.Logger;
 import org.sleuthkit.datamodel.BlackboardArtifact;
+import org.sleuthkit.datamodel.BlackboardAttribute;
 import org.sleuthkit.datamodel.CommunicationsManager;
 import org.sleuthkit.datamodel.Content;
 import org.sleuthkit.datamodel.TskCoreException;
 
 /**
- * ChildFactory that creates createKeys and nodes from a given selectionInfo for
- * only emails, call logs and messages.
+ * A ChildFactory subclass for creating MessageNodes from a set of 
+ * BlackboardArtifact objects.
  *
  */
-final class MessagesChildNodeFactory extends ChildFactory<BlackboardArtifact> {
+public class MessagesChildNodeFactory extends ChildFactory<BlackboardArtifact>{
 
     private static final Logger logger = Logger.getLogger(MessagesChildNodeFactory.class.getName());
 
     private SelectionInfo selectionInfo;
-
-    /**
-     * Construct a new MessageChildNodeFactory from the currently selectionInfo
-     *
-     * @param selectionInfo SelectionInfo object for the currently selected
-     *                      accounts
-     */
-    MessagesChildNodeFactory(SelectionInfo selectionInfo) {
+    
+    private List<String> threadIDs;
+    
+    MessagesChildNodeFactory(SelectionInfo selectionInfo, List<String> threadIDs) {
         this.selectionInfo = selectionInfo;
+        this.threadIDs = threadIDs;
+    }
+    
+    MessagesChildNodeFactory() {
+        this(null, null);
     }
     
     /**
      * Updates the current instance of selectionInfo and calls the refresh method.
      * 
      * @param selectionInfo New instance of the currently selected accounts
+     * @param threadIDs A list of threadIDs to filter the keys by, null will 
+     *                  return all keys for the selected accounts.
      */
-    public void refresh(SelectionInfo selectionInfo) {
-        this.selectionInfo = selectionInfo;
+    public void refresh(SelectionInfo selectionInfo, List<String> threadIDs) {
+        this.threadIDs = threadIDs;
+        this.selectionInfo = selectionInfo;        
         refresh(true);
-    }
 
-    /**
-     * Creates a list of Keys (BlackboardArtifact) for only messages for the
-     * currently selected accounts
-     *
-     * @param list List of BlackboardArtifact to populate
-     *
-     * @return True on success
-     */
+    }
+    
     @Override
     protected boolean createKeys(List<BlackboardArtifact> list) {
         CommunicationsManager communicationManager;
+        
         try {
             communicationManager = Case.getCurrentCaseThrows().getSleuthkitCase().getCommunicationsManager();
         } catch (NoCurrentCaseException | TskCoreException ex) {
@@ -87,19 +86,37 @@ final class MessagesChildNodeFactory extends ChildFactory<BlackboardArtifact> {
         final Set<Content> relationshipSources;
 
         try {
+            
             relationshipSources = communicationManager.getRelationshipSources(selectionInfo.getAccountDevicesInstances(), selectionInfo.getCommunicationsFilter());
-
-            relationshipSources.stream().filter((content) -> (content instanceof BlackboardArtifact)).forEachOrdered((content) -> {
-
+            for(Content content: relationshipSources) {
+                if( !(content instanceof BlackboardArtifact)){
+                    continue;
+                }
+                
                 BlackboardArtifact bba = (BlackboardArtifact) content;
                 BlackboardArtifact.ARTIFACT_TYPE fromID = BlackboardArtifact.ARTIFACT_TYPE.fromID(bba.getArtifactTypeID());
 
-                if (fromID == BlackboardArtifact.ARTIFACT_TYPE.TSK_EMAIL_MSG
-                        || fromID == BlackboardArtifact.ARTIFACT_TYPE.TSK_CALLLOG
-                        || fromID == BlackboardArtifact.ARTIFACT_TYPE.TSK_MESSAGE) {
+                if (fromID != BlackboardArtifact.ARTIFACT_TYPE.TSK_EMAIL_MSG
+                        && fromID != BlackboardArtifact.ARTIFACT_TYPE.TSK_CALLLOG
+                        && fromID != BlackboardArtifact.ARTIFACT_TYPE.TSK_MESSAGE) {
+                    continue;
+                }
+
+                // We want all artifacts that do not have "threadIDs" to appear as one thread in the UI
+                // To achive this assign any artifact that does not have a threadID
+                // the "UNTHREADED_ID"
+                String artifactThreadID = MessageNode.UNTHREADED_ID;
+                BlackboardAttribute attribute = bba.getAttribute(new BlackboardAttribute.Type(BlackboardAttribute.ATTRIBUTE_TYPE.TSK_THREAD_ID));
+
+                if(attribute != null) {
+                    artifactThreadID = attribute.getValueString();
+                }
+
+                if(threadIDs == null || threadIDs.contains(artifactThreadID)) {
                     list.add(bba);
                 }
-            });
+                
+            }
 
         } catch (TskCoreException ex) {
             logger.log(Level.SEVERE, "Failed to get relationship sources.", ex); //NON-NLS
@@ -107,9 +124,10 @@ final class MessagesChildNodeFactory extends ChildFactory<BlackboardArtifact> {
 
         return true;
     }
-
+    
     @Override
     protected Node createNodeForKey(BlackboardArtifact key) {
-        return new MessageNode(key);
+        return new MessageNode(key, null, null);
     }
+    
 }
diff --git a/Core/src/org/sleuthkit/autopsy/communications/relationships/MessagesViewer.form b/Core/src/org/sleuthkit/autopsy/communications/relationships/MessagesPanel.form
similarity index 83%
rename from Core/src/org/sleuthkit/autopsy/communications/relationships/MessagesViewer.form
rename to Core/src/org/sleuthkit/autopsy/communications/relationships/MessagesPanel.form
index 780c55aa04..5521c04bda 100755
--- a/Core/src/org/sleuthkit/autopsy/communications/relationships/MessagesViewer.form
+++ b/Core/src/org/sleuthkit/autopsy/communications/relationships/MessagesPanel.form
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8" ?>
 
-<Form version="1.4" maxVersion="1.9" type="org.netbeans.modules.form.forminfo.JPanelFormInfo">
+<Form version="1.5" maxVersion="1.9" type="org.netbeans.modules.form.forminfo.JPanelFormInfo">
   <AuxValues>
     <AuxValue name="FormSettings_autoResourcing" type="java.lang.Integer" value="1"/>
     <AuxValue name="FormSettings_autoSetComponentName" type="java.lang.Boolean" value="false"/>
@@ -11,33 +11,23 @@
     <AuxValue name="FormSettings_listenerGenerationStyle" type="java.lang.Integer" value="0"/>
     <AuxValue name="FormSettings_variablesLocal" type="java.lang.Boolean" value="false"/>
     <AuxValue name="FormSettings_variablesModifier" type="java.lang.Integer" value="2"/>
-    <AuxValue name="designerSize" type="java.awt.Dimension" value="-84,-19,0,5,115,114,0,18,106,97,118,97,46,97,119,116,46,68,105,109,101,110,115,105,111,110,65,-114,-39,-41,-84,95,68,20,2,0,2,73,0,6,104,101,105,103,104,116,73,0,5,119,105,100,116,104,120,112,0,0,3,13,0,0,2,103"/>
+    <AuxValue name="designerSize" type="java.awt.Dimension" value="-84,-19,0,5,115,114,0,18,106,97,118,97,46,97,119,116,46,68,105,109,101,110,115,105,111,110,65,-114,-39,-41,-84,95,68,20,2,0,2,73,0,6,104,101,105,103,104,116,73,0,5,119,105,100,116,104,120,112,0,0,1,44,0,0,1,-112"/>
   </AuxValues>
 
-  <Layout class="org.netbeans.modules.form.compat2.layouts.DesignGridBagLayout"/>
+  <Layout class="org.netbeans.modules.form.compat2.layouts.DesignBorderLayout"/>
   <SubComponents>
     <Container class="javax.swing.JSplitPane" name="splitPane">
       <Properties>
         <Property name="orientation" type="int" value="0"/>
       </Properties>
       <Constraints>
-        <Constraint layoutClass="org.netbeans.modules.form.compat2.layouts.DesignGridBagLayout" value="org.netbeans.modules.form.compat2.layouts.DesignGridBagLayout$GridBagConstraintsDescription">
-          <GridBagConstraints gridX="0" gridY="0" gridWidth="1" gridHeight="1" fill="1" ipadX="0" ipadY="0" insetsTop="0" insetsLeft="0" insetsBottom="0" insetsRight="0" anchor="18" weightX="1.0" weightY="1.0"/>
+        <Constraint layoutClass="org.netbeans.modules.form.compat2.layouts.DesignBorderLayout" value="org.netbeans.modules.form.compat2.layouts.DesignBorderLayout$BorderConstraintsDescription">
+          <BorderConstraints direction="Center"/>
         </Constraint>
       </Constraints>
 
       <Layout class="org.netbeans.modules.form.compat2.layouts.support.JSplitPaneSupportLayout"/>
       <SubComponents>
-        <Component class="org.sleuthkit.autopsy.contentviewers.MessageContentViewer" name="contentViewer">
-          <AuxValues>
-            <AuxValue name="JavaCodeGenerator_CreateCodeCustom" type="java.lang.String" value="new MessageDataContent()"/>
-          </AuxValues>
-          <Constraints>
-            <Constraint layoutClass="org.netbeans.modules.form.compat2.layouts.support.JSplitPaneSupportLayout" value="org.netbeans.modules.form.compat2.layouts.support.JSplitPaneSupportLayout$JSplitPaneConstraintsDescription">
-              <JSplitPaneConstraints position="bottom"/>
-            </Constraint>
-          </Constraints>
-        </Component>
         <Component class="org.sleuthkit.autopsy.communications.relationships.OutlineViewPanel" name="outlineViewPanel">
           <Constraints>
             <Constraint layoutClass="org.netbeans.modules.form.compat2.layouts.support.JSplitPaneSupportLayout" value="org.netbeans.modules.form.compat2.layouts.support.JSplitPaneSupportLayout$JSplitPaneConstraintsDescription">
@@ -45,6 +35,16 @@
             </Constraint>
           </Constraints>
         </Component>
+        <Component class="org.sleuthkit.autopsy.contentviewers.MessageContentViewer" name="messageContentViewer">
+          <AuxValues>
+            <AuxValue name="JavaCodeGenerator_CreateCodeCustom" type="java.lang.String" value="new MessageDataContent()"/>
+          </AuxValues>
+          <Constraints>
+            <Constraint layoutClass="org.netbeans.modules.form.compat2.layouts.support.JSplitPaneSupportLayout" value="org.netbeans.modules.form.compat2.layouts.support.JSplitPaneSupportLayout$JSplitPaneConstraintsDescription">
+              <JSplitPaneConstraints position="right"/>
+            </Constraint>
+          </Constraints>
+        </Component>
       </SubComponents>
     </Container>
   </SubComponents>
diff --git a/Core/src/org/sleuthkit/autopsy/communications/relationships/MessagesViewer.java b/Core/src/org/sleuthkit/autopsy/communications/relationships/MessagesPanel.java
similarity index 64%
rename from Core/src/org/sleuthkit/autopsy/communications/relationships/MessagesViewer.java
rename to Core/src/org/sleuthkit/autopsy/communications/relationships/MessagesPanel.java
index f258e2c7a3..44f412ca30 100755
--- a/Core/src/org/sleuthkit/autopsy/communications/relationships/MessagesViewer.java
+++ b/Core/src/org/sleuthkit/autopsy/communications/relationships/MessagesPanel.java
@@ -6,7 +6,7 @@
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
- * You may obt ain a copy of the License at
+ * You may obtain a copy of the License at
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
@@ -22,57 +22,38 @@ import java.awt.Component;
 import java.awt.KeyboardFocusManager;
 import java.beans.PropertyChangeEvent;
 import java.beans.PropertyChangeListener;
-import javax.swing.JPanel;
 import static javax.swing.SwingUtilities.isDescendingFrom;
 import org.netbeans.swing.outline.DefaultOutlineModel;
 import org.netbeans.swing.outline.Outline;
 import org.openide.explorer.ExplorerManager;
 import static org.openide.explorer.ExplorerUtils.createLookup;
 import org.openide.nodes.AbstractNode;
+import org.openide.nodes.ChildFactory;
 import org.openide.nodes.Children;
 import org.openide.nodes.Node;
-import org.openide.nodes.NodeAdapter;
-import org.openide.nodes.NodeMemberEvent;
 import org.openide.util.Lookup;
-import org.openide.util.NbBundle.Messages;
-import org.openide.util.lookup.ServiceProvider;
 import org.sleuthkit.autopsy.communications.ModifiableProxyLookup;
 import org.sleuthkit.autopsy.corecomponents.TableFilterNode;
 import org.sleuthkit.autopsy.directorytree.DataResultFilterNode;
 
 /**
- * Visualation for the messages of the currently selected accounts.
+ *
+ * General Purpose class for panels that need OutlineView of message nodes at 
+ * the top with a MessageContentViewer at the bottom.
  */
-@ServiceProvider(service = RelationshipsViewer.class)
-public final class MessagesViewer extends JPanel implements RelationshipsViewer {
+public class MessagesPanel extends javax.swing.JPanel implements Lookup.Provider {
 
     private final Outline outline;
     private final ModifiableProxyLookup proxyLookup;
     private final PropertyChangeListener focusPropertyListener;
-    private final MessagesChildNodeFactory nodeFactory;
-
-    @Messages({
-        "MessageViewer_tabTitle=Messages",
-        "MessageViewer_columnHeader_From=From",
-        "MessageViewer_columnHeader_To=To",
-        "MessageViewer_columnHeader_Date=Date",
-        "MessageViewer_columnHeader_Subject=Subject",
-        "MessageViewer_columnHeader_Attms=Attachments",
-        "MessageViewer_no_messages=<No messages found for selected account>"
-    })
-
+    
     /**
-     * Visualation for the messages of the currently selected accounts.
+     * Creates new form MessagesPanel
      */
-    public MessagesViewer() {
+    public MessagesPanel() {
         initComponents();
         
-        splitPane.setResizeWeight(0.5);
-        
-        outlineViewPanel.hideOutlineView(Bundle.MessageViewer_no_messages());
-        
         proxyLookup = new ModifiableProxyLookup(createLookup(outlineViewPanel.getExplorerManager(), getActionMap()));
-        nodeFactory = new MessagesChildNodeFactory(null);
 
         // See org.sleuthkit.autopsy.timeline.TimeLineTopComponent for a detailed
         // explaination of focusPropertyListener
@@ -83,10 +64,10 @@ public final class MessagesViewer extends JPanel implements RelationshipsViewer
                 if (newFocusOwner == null) {
                     return;
                 }
-                if (isDescendingFrom(newFocusOwner, contentViewer)) {
+                if (isDescendingFrom(newFocusOwner, messageContentViewer)) {
                     //if the focus owner is within the MessageContentViewer (the attachments table)
-                    proxyLookup.setNewLookups(createLookup(((MessageDataContent) contentViewer).getExplorerManager(), getActionMap()));
-                } else if (isDescendingFrom(newFocusOwner, MessagesViewer.this)) {
+                    proxyLookup.setNewLookups(createLookup(((MessageDataContent) messageContentViewer).getExplorerManager(), getActionMap()));
+                } else if (isDescendingFrom(newFocusOwner, MessagesPanel.this)) {
                     //... or if it is within the Results table.
                     proxyLookup.setNewLookups(createLookup(outlineViewPanel.getExplorerManager(), getActionMap()));
 
@@ -110,54 +91,24 @@ public final class MessagesViewer extends JPanel implements RelationshipsViewer
                 final Node[] nodes = outlineViewPanel.getExplorerManager().getSelectedNodes();
 
                 if (nodes != null && nodes.length == 1) {
-                    contentViewer.setNode(nodes[0]);
+                    messageContentViewer.setNode(nodes[0]);
                 }
                 else {
-                    contentViewer.setNode(null);
+                    messageContentViewer.setNode(null);
                 }
             }
         });
         
-        outlineViewPanel.getExplorerManager().setRootContext(
-                new TableFilterNode(
-                        new DataResultFilterNode(
-                                new AbstractNode(
-                                        Children.create(nodeFactory, true)),
-                                outlineViewPanel.getExplorerManager()),
-                        true));
-         
-        // When a new set of nodes are added to the OutlineView the childrenAdded
-        // seems to be fired before the childrenRemoved. 
-        outlineViewPanel.getExplorerManager().getRootContext().addNodeListener(new NodeAdapter() {
-            @Override
-            public void childrenAdded(NodeMemberEvent nme) {
-                updateOutlineViewPanel();
-            }
-
-            @Override
-            public void childrenRemoved(NodeMemberEvent nme) {
-                updateOutlineViewPanel();
-            }
-        });
-        
+        splitPane.setResizeWeight(0.5);
+        splitPane.setDividerLocation(0.5);
         outlineViewPanel.setTableColumnsWidth(5,10,10,15,50,10);
     }
-
-    @Override
-    public String getDisplayName() {
-        return Bundle.MessageViewer_tabTitle();
+    
+    public MessagesPanel(ChildFactory<?> nodeFactory) {
+        this();
+        setChildFactory(nodeFactory);
     }
-
-    @Override
-    public JPanel getPanel() {
-        return this;
-    }
-
-    @Override
-    public void setSelectionInfo(SelectionInfo info) {
-        nodeFactory.refresh(info);
-    }
-
+    
     @Override
     public Lookup getLookup() {
         return proxyLookup;
@@ -177,16 +128,16 @@ public final class MessagesViewer extends JPanel implements RelationshipsViewer
         KeyboardFocusManager.getCurrentKeyboardFocusManager()
                 .removePropertyChangeListener("focusOwner", focusPropertyListener);
     }
-    
-    private void updateOutlineViewPanel() {
-        int nodeCount = outlineViewPanel.getExplorerManager().getRootContext().getChildren().getNodesCount();
-        if(nodeCount == 0) {
-            outlineViewPanel.hideOutlineView(Bundle.MessageViewer_no_messages());
-        } else {
-            outlineViewPanel.showOutlineView();
-        }
-    }
 
+    final void setChildFactory(ChildFactory<?> nodeFactory) {
+        outlineViewPanel.getExplorerManager().setRootContext(
+                new TableFilterNode(
+                        new DataResultFilterNode(
+                                new AbstractNode(
+                                        Children.create(nodeFactory, true)),
+                                outlineViewPanel.getExplorerManager()),true));
+    }
+    
     /**
      * This method is called from within the constructor to initialize the form.
      * WARNING: Do NOT modify this code. The content of this method is always
@@ -195,31 +146,23 @@ public final class MessagesViewer extends JPanel implements RelationshipsViewer
     @SuppressWarnings("unchecked")
     // <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents
     private void initComponents() {
-        java.awt.GridBagConstraints gridBagConstraints;
 
         splitPane = new javax.swing.JSplitPane();
-        contentViewer = new MessageDataContent();
         outlineViewPanel = new org.sleuthkit.autopsy.communications.relationships.OutlineViewPanel();
+        messageContentViewer = new MessageDataContent();
 
-        setLayout(new java.awt.GridBagLayout());
+        setLayout(new java.awt.BorderLayout());
 
         splitPane.setOrientation(javax.swing.JSplitPane.VERTICAL_SPLIT);
-        splitPane.setBottomComponent(contentViewer);
         splitPane.setLeftComponent(outlineViewPanel);
+        splitPane.setRightComponent(messageContentViewer);
 
-        gridBagConstraints = new java.awt.GridBagConstraints();
-        gridBagConstraints.gridx = 0;
-        gridBagConstraints.gridy = 0;
-        gridBagConstraints.fill = java.awt.GridBagConstraints.BOTH;
-        gridBagConstraints.anchor = java.awt.GridBagConstraints.NORTHWEST;
-        gridBagConstraints.weightx = 1.0;
-        gridBagConstraints.weighty = 1.0;
-        add(splitPane, gridBagConstraints);
+        add(splitPane, java.awt.BorderLayout.CENTER);
     }// </editor-fold>//GEN-END:initComponents
 
 
     // Variables declaration - do not modify//GEN-BEGIN:variables
-    private org.sleuthkit.autopsy.contentviewers.MessageContentViewer contentViewer;
+    private org.sleuthkit.autopsy.contentviewers.MessageContentViewer messageContentViewer;
     private org.sleuthkit.autopsy.communications.relationships.OutlineViewPanel outlineViewPanel;
     private javax.swing.JSplitPane splitPane;
     // End of variables declaration//GEN-END:variables
diff --git a/Core/src/org/sleuthkit/autopsy/communications/relationships/OutlineViewPanel.form b/Core/src/org/sleuthkit/autopsy/communications/relationships/OutlineViewPanel.form
index 159fd3d554..58240dec57 100755
--- a/Core/src/org/sleuthkit/autopsy/communications/relationships/OutlineViewPanel.form
+++ b/Core/src/org/sleuthkit/autopsy/communications/relationships/OutlineViewPanel.form
@@ -1,9 +1,6 @@
 <?xml version="1.0" encoding="UTF-8" ?>
 
 <Form version="1.5" maxVersion="1.9" type="org.netbeans.modules.form.forminfo.JPanelFormInfo">
-  <Properties>
-    <Property name="enabled" type="boolean" value="false"/>
-  </Properties>
   <AuxValues>
     <AuxValue name="FormSettings_autoResourcing" type="java.lang.Integer" value="1"/>
     <AuxValue name="FormSettings_autoSetComponentName" type="java.lang.Boolean" value="false"/>
@@ -23,12 +20,6 @@
   </Layout>
   <SubComponents>
     <Component class="org.openide.explorer.view.OutlineView" name="outlineView">
-      <Properties>
-        <Property name="horizontalScrollBarPolicy" type="int" value="32"/>
-        <Property name="preferredSize" type="java.awt.Dimension" editor="org.netbeans.beaninfo.editors.DimensionEditor">
-          <Dimension value="[300, 400]"/>
-        </Property>
-      </Properties>
       <Constraints>
         <Constraint layoutClass="org.netbeans.modules.form.compat2.layouts.DesignCardLayout" value="org.netbeans.modules.form.compat2.layouts.DesignCardLayout$CardConstraintsDescription">
           <CardConstraints cardName="outlineCard"/>
diff --git a/Core/src/org/sleuthkit/autopsy/communications/relationships/OutlineViewPanel.java b/Core/src/org/sleuthkit/autopsy/communications/relationships/OutlineViewPanel.java
index ff229960c3..31d9a983f2 100755
--- a/Core/src/org/sleuthkit/autopsy/communications/relationships/OutlineViewPanel.java
+++ b/Core/src/org/sleuthkit/autopsy/communications/relationships/OutlineViewPanel.java
@@ -101,6 +101,15 @@ public class OutlineViewPanel extends javax.swing.JPanel implements ExplorerMana
         outlineView.setEnabled(enabled);
     }
     
+    /**
+     * Sets the width of the columns of the OutlineView based on the passed in
+     * list of percentages.  There should be on double value for each column
+     * in the OutlineView.
+     * 
+     * @param percentages   A series of double percentages values representing
+     *                      what percent of the total width of the table each
+     *                      column should have.
+     */
     public void setTableColumnsWidth(double... percentages) {
         JTable table = outlineView.getOutline();
         double total = 0;
@@ -113,7 +122,7 @@ public class OutlineViewPanel extends javax.swing.JPanel implements ExplorerMana
             column.setPreferredWidth((int) (table.getPreferredSize().width * (percentages[i] / total)));
         }
     }
-    
+
     /**
      * This method is called from within the constructor to initialize the form.
      * WARNING: Do NOT modify this code. The content of this method is always
@@ -127,11 +136,7 @@ public class OutlineViewPanel extends javax.swing.JPanel implements ExplorerMana
         messagePanel = new javax.swing.JPanel();
         messageLabel = new javax.swing.JLabel();
 
-        setEnabled(false);
         setLayout(new java.awt.CardLayout(5, 5));
-
-        outlineView.setHorizontalScrollBarPolicy(javax.swing.ScrollPaneConstants.HORIZONTAL_SCROLLBAR_ALWAYS);
-        outlineView.setPreferredSize(new java.awt.Dimension(300, 400));
         add(outlineView, "outlineCard");
 
         messagePanel.setLayout(new java.awt.BorderLayout());
diff --git a/Core/src/org/sleuthkit/autopsy/communications/relationships/RelationshipBrowser.form b/Core/src/org/sleuthkit/autopsy/communications/relationships/RelationshipBrowser.form
index fefdd4dc19..ef5a5d1357 100755
--- a/Core/src/org/sleuthkit/autopsy/communications/relationships/RelationshipBrowser.form
+++ b/Core/src/org/sleuthkit/autopsy/communications/relationships/RelationshipBrowser.form
@@ -11,7 +11,6 @@
     <AuxValue name="FormSettings_listenerGenerationStyle" type="java.lang.Integer" value="0"/>
     <AuxValue name="FormSettings_variablesLocal" type="java.lang.Boolean" value="false"/>
     <AuxValue name="FormSettings_variablesModifier" type="java.lang.Integer" value="2"/>
-    <AuxValue name="designerSize" type="java.awt.Dimension" value="-84,-19,0,5,115,114,0,18,106,97,118,97,46,97,119,116,46,68,105,109,101,110,115,105,111,110,65,-114,-39,-41,-84,95,68,20,2,0,2,73,0,6,104,101,105,103,104,116,73,0,5,119,105,100,116,104,120,112,0,0,1,44,0,0,1,-112"/>
   </AuxValues>
 
   <Layout class="org.netbeans.modules.form.compat2.layouts.DesignGridBagLayout"/>
@@ -22,7 +21,7 @@
       </Events>
       <Constraints>
         <Constraint layoutClass="org.netbeans.modules.form.compat2.layouts.DesignGridBagLayout" value="org.netbeans.modules.form.compat2.layouts.DesignGridBagLayout$GridBagConstraintsDescription">
-          <GridBagConstraints gridX="0" gridY="0" gridWidth="1" gridHeight="1" fill="1" ipadX="0" ipadY="0" insetsTop="1" insetsLeft="1" insetsBottom="1" insetsRight="1" anchor="18" weightX="1.0" weightY="1.0"/>
+          <GridBagConstraints gridX="0" gridY="0" gridWidth="1" gridHeight="1" fill="1" ipadX="0" ipadY="0" insetsTop="0" insetsLeft="0" insetsBottom="0" insetsRight="0" anchor="18" weightX="1.0" weightY="1.0"/>
         </Constraint>
       </Constraints>
 
diff --git a/Core/src/org/sleuthkit/autopsy/communications/relationships/RelationshipBrowser.java b/Core/src/org/sleuthkit/autopsy/communications/relationships/RelationshipBrowser.java
index 29ec349b82..8e9f6a97c4 100755
--- a/Core/src/org/sleuthkit/autopsy/communications/relationships/RelationshipBrowser.java
+++ b/Core/src/org/sleuthkit/autopsy/communications/relationships/RelationshipBrowser.java
@@ -31,7 +31,7 @@ public final class RelationshipBrowser extends JPanel implements Lookup.Provider
 
     private SelectionInfo currentSelection;
     
-    private final MessagesViewer messagesViewer;
+    private final MessageViewer messagesViewer;
     private final ContactsViewer contactsViewer;
     private final SummaryViewer summaryViewer;
     private final MediaViewer mediaViewer;
@@ -42,24 +42,23 @@ public final class RelationshipBrowser extends JPanel implements Lookup.Provider
      * Creates new form RelationshipBrowser
      */
     public RelationshipBrowser() {
-        messagesViewer = new MessagesViewer();
+        initComponents();
+        messagesViewer = new MessageViewer();
         contactsViewer = new ContactsViewer();
         summaryViewer = new SummaryViewer();
         mediaViewer = new MediaViewer();
         
         proxyLookup = new ModifiableProxyLookup(messagesViewer.getLookup());
-        
-         initComponents();
-        
+ 
         tabPane.add(summaryViewer.getDisplayName(), summaryViewer);
         tabPane.add(messagesViewer.getDisplayName(), messagesViewer);
         tabPane.add(contactsViewer.getDisplayName(), contactsViewer);
-        tabPane.add(mediaViewer.getDisplayName(), mediaViewer);        
+        tabPane.add(mediaViewer.getDisplayName(), mediaViewer);
     }
 
     /**
      * Sets the value of currentSelection and passes the SelectionInfo onto the
-     * currently selected or visible tab.
+     * currently selected\visible tab.
      *
      * @param info Currently selected account nodes
      */
@@ -94,7 +93,6 @@ public final class RelationshipBrowser extends JPanel implements Lookup.Provider
         gridBagConstraints.anchor = java.awt.GridBagConstraints.NORTHWEST;
         gridBagConstraints.weightx = 1.0;
         gridBagConstraints.weighty = 1.0;
-        gridBagConstraints.insets = new java.awt.Insets(1, 1, 1, 1);
         add(tabPane, gridBagConstraints);
     }// </editor-fold>//GEN-END:initComponents
 
diff --git a/Core/src/org/sleuthkit/autopsy/communications/relationships/ThreadChildNodeFactory.java b/Core/src/org/sleuthkit/autopsy/communications/relationships/ThreadChildNodeFactory.java
new file mode 100755
index 0000000000..8c4f8b40de
--- /dev/null
+++ b/Core/src/org/sleuthkit/autopsy/communications/relationships/ThreadChildNodeFactory.java
@@ -0,0 +1,216 @@
+/*
+ * Autopsy Forensic Browser
+ *
+ * Copyright 2019 Basis Technology Corp.
+ * Contact: carrier <at> sleuthkit <dot> org
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.sleuthkit.autopsy.communications.relationships;
+
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import java.util.logging.Level;
+import javax.swing.Action;
+import org.openide.nodes.AbstractNode;
+import org.openide.nodes.ChildFactory;
+import org.openide.nodes.Children;
+import org.openide.nodes.Node;
+import org.openide.nodes.Sheet;
+import org.sleuthkit.autopsy.casemodule.Case;
+import org.sleuthkit.autopsy.casemodule.NoCurrentCaseException;
+import org.sleuthkit.autopsy.coreutils.Logger;
+import org.sleuthkit.autopsy.datamodel.NodeProperty;
+import org.sleuthkit.datamodel.BlackboardArtifact;
+import org.sleuthkit.datamodel.BlackboardAttribute;
+import org.sleuthkit.datamodel.CommunicationsManager;
+import org.sleuthkit.datamodel.Content;
+import org.sleuthkit.datamodel.TskCoreException;
+
+/**
+ * ChildFactory that creates createKeys and nodes from a given selectionInfo for
+ * only emails, call logs and messages.
+ *
+ */
+final class ThreadChildNodeFactory extends ChildFactory<BlackboardArtifact> {
+
+    private static final Logger logger = Logger.getLogger(ThreadChildNodeFactory.class.getName());
+
+    private SelectionInfo selectionInfo;
+    
+    private final Action preferredAction;
+    
+    /**
+     * Construct a new ThreadChildNodeFactory from the currently selectionInfo
+     *
+     * @param preferredAction SelectionInfo object for the currently selected
+     *                      accounts
+     */
+    
+    ThreadChildNodeFactory(Action preferredAction) {
+        this.preferredAction = preferredAction;
+    }
+    
+    /**
+     * Updates the current instance of selectionInfo and calls the refresh method.
+     * 
+     * @param selectionInfo New instance of the currently selected accounts
+     */
+    public void refresh(SelectionInfo selectionInfo) {
+        this.selectionInfo = selectionInfo;
+        refresh(true);
+    }
+    
+    /**
+     * Creates a list of Keys (BlackboardArtifact) for only messages for the
+     * currently selected accounts.  
+     *
+     * @param list List of BlackboardArtifact to populate
+     *
+     * @return True on success
+     */
+    @Override
+    protected boolean createKeys(List<BlackboardArtifact> list) {
+        CommunicationsManager communicationManager;
+        try {
+            communicationManager = Case.getCurrentCaseThrows().getSleuthkitCase().getCommunicationsManager();
+        } catch (NoCurrentCaseException | TskCoreException ex) {
+            logger.log(Level.SEVERE, "Failed to get communications manager from case.", ex); //NON-NLS
+            return false;
+        }
+        
+        if(selectionInfo == null) {
+            return true;
+        }
+
+        final Set<Content> relationshipSources;
+
+        try {
+            relationshipSources = communicationManager.getRelationshipSources(selectionInfo.getAccountDevicesInstances(), selectionInfo.getCommunicationsFilter());
+
+            createRootMessageKeys(list, relationshipSources) ;
+        } catch (TskCoreException ex) {
+            logger.log(Level.SEVERE, "Failed to get relationship sources.", ex); //NON-NLS
+        }
+
+        return true;
+    }
+    
+    /**
+     * Adds only BlackboardArtifact objects to the list where are the earliest
+     * message in a message thread (based on threadID).  If there are "unthreaded"
+     * messages (messages that do not have a threadID) one representitive artifact
+     * will be added to the list and dealt with a node creation time.
+     * 
+     * @param list List to populate with BlackboardArtifact keys
+     * @param relationshipSources Set of Content objects
+     * @return True on success
+     * @throws TskCoreException 
+     */
+    private boolean createRootMessageKeys(List<BlackboardArtifact> list, Set<Content> relationshipSources) throws TskCoreException{
+        Map<String, BlackboardArtifact> rootMessageMap = new HashMap<>();
+        for(Content content: relationshipSources) {
+            if(!(content instanceof BlackboardArtifact)) {
+                continue;
+            }
+            
+            BlackboardArtifact bba = (BlackboardArtifact) content;
+            BlackboardArtifact.ARTIFACT_TYPE fromID = BlackboardArtifact.ARTIFACT_TYPE.fromID(bba.getArtifactTypeID());
+
+            if (fromID == BlackboardArtifact.ARTIFACT_TYPE.TSK_EMAIL_MSG
+                    || fromID == BlackboardArtifact.ARTIFACT_TYPE.TSK_CALLLOG
+                    || fromID == BlackboardArtifact.ARTIFACT_TYPE.TSK_MESSAGE) {
+
+                // We want all artifacts that do not have "threadIDs" to appear as one thread in the UI
+                // To achive this assign any artifact that does not have a threadID
+                // the "UNTHREADED_ID"
+                String threadID = MessageNode.UNTHREADED_ID;
+                BlackboardAttribute attribute = bba.getAttribute(new BlackboardAttribute.Type(BlackboardAttribute.ATTRIBUTE_TYPE.TSK_THREAD_ID));
+
+                if(attribute != null) {
+                    threadID = attribute.getValueString();
+                } 
+
+                BlackboardArtifact tableArtifact = rootMessageMap.get(threadID);
+                if(tableArtifact == null) {
+                    rootMessageMap.put(threadID, bba);          
+                } else {
+                    // Get the date of the message
+                    BlackboardAttribute tableAttribute = tableArtifact.getAttribute(new BlackboardAttribute.Type(BlackboardAttribute.ATTRIBUTE_TYPE.TSK_DATETIME_SENT));
+                    attribute = bba.getAttribute(new BlackboardAttribute.Type(BlackboardAttribute.ATTRIBUTE_TYPE.TSK_DATETIME_SENT));
+
+                    // put the earliest message into the table
+                    if(tableAttribute != null 
+                            && attribute != null 
+                            && tableAttribute.getValueLong() > attribute.getValueLong()) {
+                        rootMessageMap.put(threadID, bba);
+                    }
+                }
+            }
+        }
+
+        for(BlackboardArtifact bba: rootMessageMap.values()) {
+             list.add(bba);
+        }
+            
+        return true;
+    }
+
+    @Override
+    protected Node createNodeForKey(BlackboardArtifact bba) {
+        BlackboardAttribute attribute = null;
+        try {
+            attribute = bba.getAttribute(new BlackboardAttribute.Type(BlackboardAttribute.ATTRIBUTE_TYPE.TSK_THREAD_ID)); 
+        } catch (TskCoreException ex) {
+            logger.log(Level.WARNING, String.format("Unable to get threadID for artifact: %s", bba.getName()), ex);
+        } 
+        
+        if (attribute != null) {
+            return new ThreadNode(bba, attribute.getValueString(), preferredAction);
+        } else {
+            // Only one of these should occur.
+            return new UnthreadedNode();
+        }         
+    }
+    
+    /**
+     * An this node represents the "unthreaded" thread.
+     */
+    final class UnthreadedNode extends AbstractNode {
+        /**
+         * Construct an instance of UnthreadNode.
+         */
+        UnthreadedNode() {
+            super(Children.LEAF);
+            setDisplayName("Unthreaded");
+            this.setIconBaseWithExtension("org/sleuthkit/autopsy/communications/images/unthreaded.png" );
+        }
+        
+         @Override
+        protected Sheet createSheet() {
+            Sheet sheet = super.createSheet();
+            Sheet.Set sheetSet = sheet.get(Sheet.PROPERTIES);
+            if (sheetSet == null) {
+                sheetSet = Sheet.createPropertiesSet();
+                sheet.put(sheetSet);
+            }
+            
+            // Give this node a threadID of "UNTHEADED_ID"
+            sheetSet.put(new NodeProperty<>("ThreadID", "ThreadID","",MessageNode.UNTHREADED_ID));
+            
+            return sheet;
+        }
+    }
+}
diff --git a/Core/src/org/sleuthkit/autopsy/communications/relationships/ThreadNode.java b/Core/src/org/sleuthkit/autopsy/communications/relationships/ThreadNode.java
new file mode 100755
index 0000000000..f398b94757
--- /dev/null
+++ b/Core/src/org/sleuthkit/autopsy/communications/relationships/ThreadNode.java
@@ -0,0 +1,60 @@
+/*
+ * Autopsy Forensic Browser
+ *
+ * Copyright 2019 Basis Technology Corp.
+ * Contact: carrier <at> sleuthkit <dot> org
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.sleuthkit.autopsy.communications.relationships;
+
+import javax.swing.Action;
+import org.openide.nodes.AbstractNode;
+import org.openide.nodes.Children;
+import org.openide.nodes.Sheet;
+import org.sleuthkit.datamodel.BlackboardArtifact;
+
+/**
+ * An AbstractNode subclass which wraps a MessagNode object.  Doing this allows
+ * for the reuse of the createSheet and other function from MessageNode, but
+ * also some customizing of how a ThreadNode is shown.
+ */
+final class ThreadNode extends AbstractNode{
+    
+    final private MessageNode messageNode;
+    
+    ThreadNode(BlackboardArtifact artifact, String threadID, Action preferredAction) {
+        super(Children.LEAF);
+            messageNode = new MessageNode(artifact, threadID, preferredAction);
+        this.setIconBaseWithExtension("org/sleuthkit/autopsy/communications/images/threaded.png" );
+    }
+    
+    @Override
+    protected Sheet createSheet() {
+        return messageNode.createSheet();
+    }
+    
+    String getThreadID() {
+        return messageNode.getThreadID();
+    }
+    
+    @Override
+    public Action getPreferredAction() {
+        return messageNode.getPreferredAction();
+    }
+    
+    @Override
+    public String getDisplayName() {
+        return messageNode.getDisplayName();
+    }
+}
diff --git a/Core/src/org/sleuthkit/autopsy/corecomponents/DataResultViewerTable.java b/Core/src/org/sleuthkit/autopsy/corecomponents/DataResultViewerTable.java
index df2cbf5a49..e1feecf807 100644
--- a/Core/src/org/sleuthkit/autopsy/corecomponents/DataResultViewerTable.java
+++ b/Core/src/org/sleuthkit/autopsy/corecomponents/DataResultViewerTable.java
@@ -302,6 +302,8 @@ public class DataResultViewerTable extends AbstractDataResultViewer {
         this.setCursor(Cursor.getPredefinedCursor(Cursor.WAIT_CURSOR));
         try {
             if (rootNode != null) {
+                this.rootNode = rootNode;
+
                 /**
                  * Check to see if we have previously created a paging support
                  * class for this node.
@@ -364,8 +366,6 @@ public class DataResultViewerTable extends AbstractDataResultViewer {
              * case database round trips.
              */
             if (rootNode != null && rootNode.getChildren().getNodesCount() > 0) {
-                this.rootNode = rootNode;
-
                 this.getExplorerManager().setRootContext(this.rootNode);
                 setupTable();
             } else {
diff --git a/Core/src/org/sleuthkit/autopsy/directorytree/DataResultFilterNode.java b/Core/src/org/sleuthkit/autopsy/directorytree/DataResultFilterNode.java
index d438c11727..3c206049d6 100644
--- a/Core/src/org/sleuthkit/autopsy/directorytree/DataResultFilterNode.java
+++ b/Core/src/org/sleuthkit/autopsy/directorytree/DataResultFilterNode.java
@@ -490,6 +490,12 @@ public class DataResultFilterNode extends FilterNode {
 
         @Override
         public AbstractAction visit(BlackboardArtifactNode ban) {
+            
+            Action preferredAction = ban.getPreferredAction();
+            if(preferredAction instanceof AbstractAction) {
+                return (AbstractAction) preferredAction;
+            }
+            
             BlackboardArtifact artifact = ban.getArtifact();
             try {
                 if ((artifact.getArtifactTypeID() == ARTIFACT_TYPE.TSK_EMAIL_MSG.getTypeID())
diff --git a/Core/src/org/sleuthkit/autopsy/ingest/DataSourceIngestJob.java b/Core/src/org/sleuthkit/autopsy/ingest/DataSourceIngestJob.java
index 6563dd3540..22745a3c54 100644
--- a/Core/src/org/sleuthkit/autopsy/ingest/DataSourceIngestJob.java
+++ b/Core/src/org/sleuthkit/autopsy/ingest/DataSourceIngestJob.java
@@ -1,7 +1,7 @@
 /*
  * Autopsy Forensic Browser
  *
- * Copyright 2014-2018 Basis Technology Corp.
+ * Copyright 2014-2019 Basis Technology Corp.
  * Contact: carrier <at> sleuthkit <dot> org
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -286,7 +286,7 @@ public final class DataSourceIngestJob {
             this.addIngestModules(fileIngestModuleTemplates, IngestModuleType.FILE_LEVEL, skCase);
             this.addIngestModules(secondStageDataSourceModuleTemplates, IngestModuleType.DATA_SOURCE_LEVEL, skCase);
         } catch (TskCoreException | NoCurrentCaseException ex) {
-            logger.log(Level.SEVERE, "Failed to add ingest modules to database.", ex);
+            logErrorMessage(Level.WARNING, "Failed to add ingest modules listing to case database", ex);
         }
     }
 
@@ -421,13 +421,13 @@ public final class DataSourceIngestJob {
             try {
                 this.ingestJob = Case.getCurrentCaseThrows().getSleuthkitCase().addIngestJob(dataSource, NetworkUtils.getLocalHostName(), ingestModules, new Date(this.createTime), new Date(0), IngestJobStatusType.STARTED, "");
             } catch (TskCoreException | NoCurrentCaseException ex) {
-                logger.log(Level.SEVERE, "Failed to add ingest job to database.", ex);
+                logErrorMessage(Level.WARNING, "Failed to add ingest job info to case database", ex); //NON-NLS
             }
             if (this.hasFirstStageDataSourceIngestPipeline() || this.hasFileIngestPipeline()) {
-                logger.log(Level.INFO, "Starting first stage analysis for {0} (jobId={1})", new Object[]{dataSource.getName(), this.id}); //NON-NLS
+                logInfoMessage("Starting first stage analysis"); //NON-NLS
                 this.startFirstStage();
             } else if (this.hasSecondStageDataSourceIngestPipeline()) {
-                logger.log(Level.INFO, "Starting second stage analysis for {0} (jobId={1}), no first stage configured", new Object[]{dataSource.getName(), this.id}); //NON-NLS
+                logInfoMessage("Starting second stage analysis"); //NON-NLS
                 this.startSecondStage();
             }
         }
@@ -521,13 +521,13 @@ public final class DataSourceIngestJob {
          * Schedule the first stage tasks.
          */
         if (this.hasFirstStageDataSourceIngestPipeline() && this.hasFileIngestPipeline()) {
-            logger.log(Level.INFO, "Scheduling first stage data source and file level analysis tasks for {0} (jobId={1})", new Object[]{dataSource.getName(), this.id}); //NON-NLS
+            logInfoMessage("Scheduling first stage data source and file level analysis tasks"); //NON-NLS
             DataSourceIngestJob.taskScheduler.scheduleIngestTasks(this);
         } else if (this.hasFirstStageDataSourceIngestPipeline()) {
-            logger.log(Level.INFO, "Scheduling first stage data source level analysis tasks for {0} (jobId={1}), no file level analysis configured", new Object[]{dataSource.getName(), this.id}); //NON-NLS
+            logInfoMessage("Scheduling first stage data source level analysis tasks"); //NON-NLS
             DataSourceIngestJob.taskScheduler.scheduleDataSourceIngestTask(this);
         } else {
-            logger.log(Level.INFO, "Scheduling file level analysis tasks for {0} (jobId={1}), no first stage data source level analysis configured", new Object[]{dataSource.getName(), this.id}); //NON-NLS
+            logInfoMessage("Scheduling file level analysis tasks, no first stage data source level analysis configured"); //NON-NLS
             DataSourceIngestJob.taskScheduler.scheduleFileIngestTasks(this, this.files);
 
             /**
@@ -546,7 +546,7 @@ public final class DataSourceIngestJob {
      * Starts the second stage of this ingest job.
      */
     private void startSecondStage() {
-        logger.log(Level.INFO, "Starting second stage analysis for {0} (jobId={1})", new Object[]{dataSource.getName(), this.id}); //NON-NLS
+        logInfoMessage("Starting second stage analysis"); //NON-NLS        
         this.stage = DataSourceIngestJob.Stages.SECOND;
         if (this.doUI) {
             this.startDataSourceIngestProgressBar();
@@ -554,7 +554,7 @@ public final class DataSourceIngestJob {
         synchronized (this.dataSourceIngestPipelineLock) {
             this.currentDataSourceIngestPipeline = this.secondStageDataSourceIngestPipeline;
         }
-        logger.log(Level.INFO, "Scheduling second stage data source level analysis tasks for {0} (jobId={1})", new Object[]{dataSource.getName(), this.id}); //NON-NLS
+        logInfoMessage("Scheduling second stage data source level analysis tasks"); //NON-NLS        
         DataSourceIngestJob.taskScheduler.scheduleDataSourceIngestTask(this);
     }
 
@@ -643,7 +643,7 @@ public final class DataSourceIngestJob {
      * job and starts the second stage, if appropriate.
      */
     private void finishFirstStage() {
-        logger.log(Level.INFO, "Finished first stage analysis for {0} (jobId={1})", new Object[]{dataSource.getName(), this.id}); //NON-NLS
+        logInfoMessage("Finished first stage analysis"); //NON-NLS        
 
         // Shut down the file ingest pipelines. Note that no shut down is
         // required for the data source ingest pipeline because data source 
@@ -693,7 +693,7 @@ public final class DataSourceIngestJob {
      * Shuts down the ingest pipelines and progress bars for this job.
      */
     private void finish() {
-        logger.log(Level.INFO, "Finished analysis for {0} (jobId={1})", new Object[]{dataSource.getName(), this.id}); //NON-NLS
+        logInfoMessage("Finished analysis"); //NON-NLS        
         this.stage = DataSourceIngestJob.Stages.FINALIZATION;
 
         if (this.doUI) {
@@ -711,19 +711,19 @@ public final class DataSourceIngestJob {
                 try {
                     ingestJob.setIngestJobStatus(IngestJobStatusType.CANCELLED);
                 } catch (TskCoreException ex) {
-                    logger.log(Level.SEVERE, "Failed to set ingest status for ingest job in database.", ex);
+                    logErrorMessage(Level.WARNING, "Failed to update ingest job status in case database", ex);
                 }
             } else {
                 try {
                     ingestJob.setIngestJobStatus(IngestJobStatusType.COMPLETED);
                 } catch (TskCoreException ex) {
-                    logger.log(Level.SEVERE, "Failed to set ingest status for ingest job in database.", ex);
+                    logErrorMessage(Level.WARNING, "Failed to update ingest job status in case database", ex);
                 }
             }
             try {
                 this.ingestJob.setEndDateTime(new Date());
             } catch (TskCoreException ex) {
-                logger.log(Level.SEVERE, "Failed to set end date for ingest job in database.", ex);
+                logErrorMessage(Level.WARNING, "Failed to set job end date in case database", ex);
             }
         }
         this.parentJob.dataSourceJobFinished(this);
@@ -842,7 +842,7 @@ public final class DataSourceIngestJob {
         if (DataSourceIngestJob.Stages.FIRST == this.stage) {
             DataSourceIngestJob.taskScheduler.fastTrackFileIngestTasks(this, files);
         } else {
-            DataSourceIngestJob.logger.log(Level.SEVERE, "Adding files during second stage not supported"); //NON-NLS
+            logErrorMessage(Level.SEVERE, "Adding files to job during second stage analysis not supported");
         }
 
         /**
@@ -1066,6 +1066,39 @@ public final class DataSourceIngestJob {
         return this.cancellationReason;
     }
 
+    /**
+     * Writes an info message to the application log that includes the data
+     * source name, data source object id, and the job id.
+     *
+     * @param message The message.
+     */
+    private void logInfoMessage(String message) {
+        logger.log(Level.INFO, String.format("%s (data source = %s, objId = %d, jobId = %d)", message, dataSource.getName(), dataSource.getId(), id)); //NON-NLS        
+    }
+
+    /**
+     * Writes an error message to the application log that includes the data
+     * source name, data source object id, and the job id.
+     *
+     * @param level     The logging level for the message.
+     * @param message   The message.
+     * @param throwable The throwable associated with the error.
+     */
+    private void logErrorMessage(Level level, String message, Throwable throwable) {
+        logger.log(level, String.format("%s (data source = %s, objId = %d, jobId = %d)", message, dataSource.getName(), dataSource.getId(), id), throwable); //NON-NLS
+    }
+
+    /**
+     * Writes an error message to the application log that includes the data
+     * source name, data source object id, and the job id.
+     *
+     * @param level   The logging level for the message.
+     * @param message The message.
+     */
+    private void logErrorMessage(Level level, String message) {
+        logger.log(level, String.format("%s (data source = %s, objId = %d, jobId = %d)", message, dataSource.getName(), dataSource.getId(), id)); //NON-NLS
+    }
+
     /**
      * Write ingest module errors to the log.
      *
@@ -1073,7 +1106,7 @@ public final class DataSourceIngestJob {
      */
     private void logIngestModuleErrors(List<IngestModuleError> errors) {
         for (IngestModuleError error : errors) {
-            DataSourceIngestJob.logger.log(Level.SEVERE, String.format("%s experienced an error analyzing %s (jobId=%d)", error.getModuleDisplayName(), dataSource.getName(), this.id), error.getThrowable()); //NON-NLS
+            logErrorMessage(Level.SEVERE, String.format("%s experienced an error during analysis", error.getModuleDisplayName()), error.getThrowable()); //NON-NLS
         }
     }
 
diff --git a/Core/src/org/sleuthkit/autopsy/ingest/IngestManager.java b/Core/src/org/sleuthkit/autopsy/ingest/IngestManager.java
index d5a2240ca5..b59e0a6ccb 100644
--- a/Core/src/org/sleuthkit/autopsy/ingest/IngestManager.java
+++ b/Core/src/org/sleuthkit/autopsy/ingest/IngestManager.java
@@ -1,7 +1,7 @@
 /*
  * Autopsy Forensic Browser
  *
- * Copyright 2012-2018 Basis Technology Corp.
+ * Copyright 2012-2019 Basis Technology Corp.
  * Contact: carrier <at> sleuthkit <dot> org
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -403,10 +403,10 @@ public class IngestManager implements IngestProgressSnapshotProvider {
         synchronized (ingestJobsById) {
             ingestJobsById.put(job.getId(), job);
         }
+        IngestManager.logger.log(Level.INFO, "Starting ingest job {0}", job.getId()); //NON-NLS
         errors = job.start();
         if (errors.isEmpty()) {
             this.fireIngestJobStarted(job.getId());
-            IngestManager.logger.log(Level.INFO, "Ingest job {0} started", job.getId()); //NON-NLS
         } else {
             synchronized (ingestJobsById) {
                 this.ingestJobsById.remove(job.getId());
diff --git a/CoreLibs/src/org/sleuthkit/autopsy/corelibs/OpenCvLoader.java b/CoreLibs/src/org/sleuthkit/autopsy/corelibs/OpenCvLoader.java
index 7cfad05bc8..0027203cd7 100644
--- a/CoreLibs/src/org/sleuthkit/autopsy/corelibs/OpenCvLoader.java
+++ b/CoreLibs/src/org/sleuthkit/autopsy/corelibs/OpenCvLoader.java
@@ -41,6 +41,9 @@ public final class OpenCvLoader {
      * Return whether or not the OpenCV library has been loaded.
      *
      * @return - true if the opencv library is loaded or false if it is not
+     * @throws UnsatisfiedLinkError - A COPY of the exception that prevented OpenCV from loading.  
+     *   Note that the stack trace in the exception can be confusing because it refers to a
+     *   past invocation. 
      */
     public static boolean isOpenCvLoaded() throws UnsatisfiedLinkError {
         if (!OPEN_CV_LOADED) {
diff --git a/InternalPythonModules/android/textmessage.py b/InternalPythonModules/android/textmessage.py
index 5d7f9db638..ef8fa498c8 100644
--- a/InternalPythonModules/android/textmessage.py
+++ b/InternalPythonModules/android/textmessage.py
@@ -99,13 +99,14 @@ class TextMessageAnalyzer(general.AndroidComponentAnalyzer):
         resultSet = None
         try:
             resultSet = statement.executeQuery(
-                "SELECT address, date, read, type, subject, body FROM sms;")
+                "SELECT address, date, read, type, subject, body, thread_id FROM sms;")
             while resultSet.next():
                 address = resultSet.getString("address") # may be phone number, or other addresses
                 date = Long.valueOf(resultSet.getString("date")) / 1000
                 read = resultSet.getInt("read") # may be unread = 0, read = 1
                 subject = resultSet.getString("subject") # message subject
                 body = resultSet.getString("body") # message body
+                thread_id = "{0}_{1}".format(abstractFile.getId(), resultSet.getInt("thread_id"))
                 attributes = ArrayList()
                 artifact = abstractFile.newArtifact(BlackboardArtifact.ARTIFACT_TYPE.TSK_MESSAGE); #create Message artifact and then add attributes from result set.
                 if resultSet.getString("type") == "1":
@@ -119,6 +120,7 @@ class TextMessageAnalyzer(general.AndroidComponentAnalyzer):
                 attributes.add(BlackboardAttribute(BlackboardAttribute.ATTRIBUTE_TYPE.TSK_SUBJECT, general.MODULE_NAME, subject))
                 attributes.add(BlackboardAttribute(BlackboardAttribute.ATTRIBUTE_TYPE.TSK_TEXT, general.MODULE_NAME, body))
                 attributes.add(BlackboardAttribute(BlackboardAttribute.ATTRIBUTE_TYPE.TSK_MESSAGE_TYPE, general.MODULE_NAME, "SMS Message"))
+                attributes.add(BlackboardAttribute(BlackboardAttribute.ATTRIBUTE_TYPE.TSK_THREAD_ID, general.MODULE_NAME, thread_id))
 
                 artifact.addAttributes(attributes)
 
diff --git a/TSKVersion.xml b/TSKVersion.xml
index 3c03006088..7e65087fae 100644
--- a/TSKVersion.xml
+++ b/TSKVersion.xml
@@ -1,3 +1,3 @@
 <project name="TSK_VERSION">
-    <property name="TSK_VERSION" value="4.6.6"/>
+    <property name="TSK_VERSION" value="4.6.7"/>
 </project>
diff --git a/docs/doxygen-user/Doxyfile b/docs/doxygen-user/Doxyfile
index 6f16153151..7991a0cd95 100644
--- a/docs/doxygen-user/Doxyfile
+++ b/docs/doxygen-user/Doxyfile
@@ -38,7 +38,7 @@ PROJECT_NAME           = "Autopsy User Documentation"
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER = 4.11.0
+PROJECT_NUMBER = 4.12.0
 
 # Using the PROJECT_BRIEF tag one can provide an optional one line description
 # for a project that appears at the top of each page and should give viewer a
@@ -1025,7 +1025,7 @@ GENERATE_HTML          = YES
 # The default directory is: html.
 # This tag requires that the tag GENERATE_HTML is set to YES.
 
-HTML_OUTPUT = 4.11.0
+HTML_OUTPUT = 4.12.0
 
 # The HTML_FILE_EXTENSION tag can be used to specify the file extension for each
 # generated HTML page (for example: .htm, .php, .asp).
diff --git a/docs/doxygen/Doxyfile b/docs/doxygen/Doxyfile
index a7463ac441..bf66159b48 100644
--- a/docs/doxygen/Doxyfile
+++ b/docs/doxygen/Doxyfile
@@ -38,7 +38,7 @@ PROJECT_NAME           = "Autopsy"
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER = 4.11.0
+PROJECT_NUMBER = 4.12.0
 
 # Using the PROJECT_BRIEF tag one can provide an optional one line description
 # for a project that appears a the top of each page and should give viewer a
@@ -1063,7 +1063,7 @@ GENERATE_HTML          = YES
 # The default directory is: html.
 # This tag requires that the tag GENERATE_HTML is set to YES.
 
-HTML_OUTPUT = api-docs/4.11.0/
+HTML_OUTPUT = api-docs/4.12.0/
 
 # The HTML_FILE_EXTENSION tag can be used to specify the file extension for each
 # generated HTML page (for example: .htm, .php, .asp).
diff --git a/nbproject/project.properties b/nbproject/project.properties
index dbc771a543..0014be6b88 100644
--- a/nbproject/project.properties
+++ b/nbproject/project.properties
@@ -4,10 +4,10 @@ app.title=Autopsy
 ### lowercase version of above
 app.name=${branding.token}
 ### if left unset, version will default to today's date
-app.version=4.11.0
+app.version=4.12.0
 ### build.type must be one of: DEVELOPMENT, RELEASE
-#build.type=RELEASE
-build.type=DEVELOPMENT
+build.type=RELEASE
+#build.type=DEVELOPMENT
 
 project.org.netbeans.progress=org-netbeans-api-progress
 project.org.sleuthkit.autopsy.experimental=Experimental
diff --git a/unix_setup.sh b/unix_setup.sh
index 0b252b2598..eecf1ed8c5 100644
--- a/unix_setup.sh
+++ b/unix_setup.sh
@@ -5,7 +5,7 @@
 
 # NOTE: update_sleuthkit_version.pl updates this value and relies
 # on it keeping the same name and whitespace.  Don't change it.
-TSK_VERSION=4.6.6
+TSK_VERSION=4.6.7
 
 
 # In the beginning...