diff --git a/Core/src/org/sleuthkit/autopsy/filesearch/Bundle.properties b/Core/src/org/sleuthkit/autopsy/filesearch/Bundle.properties
index ea78d740c9..99c61a24ca 100644
--- a/Core/src/org/sleuthkit/autopsy/filesearch/Bundle.properties
+++ b/Core/src/org/sleuthkit/autopsy/filesearch/Bundle.properties
@@ -47,6 +47,7 @@ FileSearchPanel.search.results.msg=File Search\: {0} matches found
 FileSearchPanel.search.results.details=Large number of matches may impact performance on some operations
 FileSearchPanel.search.exception.noFilterSelected.msg=At least one filter must be selected.
 FileSearchPanel.search.validationErr.msg=Validation Error\: {0}
+FileSearchPanel.emptyWhereClause.text=Invalid options, nothing to show.
 KnownStatusSearchFilter.noneSelectedMsg.text=At least one known status must be selected\!
 NameSearchFilter.emptyNameMsg.text=Must enter something for name search.
 SearchNode.getName.text=Search Result
diff --git a/Core/src/org/sleuthkit/autopsy/filesearch/DateSearchFilter.java b/Core/src/org/sleuthkit/autopsy/filesearch/DateSearchFilter.java
index 7939c0956d..f1df56f8ac 100644
--- a/Core/src/org/sleuthkit/autopsy/filesearch/DateSearchFilter.java
+++ b/Core/src/org/sleuthkit/autopsy/filesearch/DateSearchFilter.java
@@ -72,9 +72,9 @@ class DateSearchFilter extends AbstractFileSearchFilter<DateSearchPanel> {
 
     @Override
     public String getPredicate() throws FilterValidationException {
-        String addQuery = "1";
+        String query = "NULL";
         DateSearchPanel panel = this.getComponent();
-
+                
         // first, get the selected timeZone from the dropdown list
         String tz = this.getComponent().getTimeZoneComboBox().getSelectedItem().toString();
         String tzID = tz.substring(tz.indexOf(" ") + 1); // 1 index after the space is the ID
@@ -92,7 +92,7 @@ class DateSearchFilter extends AbstractFileSearchFilter<DateSearchPanel> {
             startDate = Calendar.getInstance(new SimpleTimeZone(0, "GMT")); //NON-NLS
             startDate.setTime(temp); // convert to GMT
         } catch (ParseException ex) {
-            // for now, no need to show the error message to the user her
+            // for now, no need to show the error message to the user here
         }
         if (!startDateValue.equals("")) {
             if (startDate != null) {
@@ -120,6 +120,13 @@ class DateSearchFilter extends AbstractFileSearchFilter<DateSearchPanel> {
             }
         }
 
+        // If they put the dates in backwards, help them out.
+        if (fromDate > toDate) {
+            long temp = toDate;
+            toDate = fromDate;
+            fromDate = temp;
+        }
+         
         final boolean modifiedChecked = panel.getModifiedCheckBox().isSelected();
         final boolean changedChecked = panel.getChangedCheckBox().isSelected();
         final boolean accessedChecked = panel.getAccessedCheckBox().isSelected();
@@ -127,30 +134,27 @@ class DateSearchFilter extends AbstractFileSearchFilter<DateSearchPanel> {
 
         if (modifiedChecked || changedChecked || accessedChecked || createdChecked) {
 
-            String subQuery = "0";
-
             if (modifiedChecked) {
-                subQuery += " or mtime between " + fromDate + " and " + toDate; //NON-NLS
+                query += " OR (mtime BETWEEN " + fromDate + " AND " + toDate + ")"; //NON-NLS
             }
 
             if (changedChecked) {
-                subQuery += " or ctime between " + fromDate + " and " + toDate; //NON-NLS
+                query += " OR (ctime BETWEEN " + fromDate + " AND " + toDate + ")"; //NON-NLS
             }
 
             if (accessedChecked) {
-                subQuery += " or atime between " + fromDate + " and " + toDate; //NON-NLS
+                query += " OR (atime BETWEEN " + fromDate + " AND " + toDate + ")"; //NON-NLS
             }
 
             if (createdChecked) {
-                subQuery += " or crtime between " + fromDate + " and " + toDate; //NON-NLS
+                query += " OR (crtime BETWEEN " + fromDate + " AND " + toDate + ")"; //NON-NLS
             }
 
-            addQuery += " and (" + subQuery + ")"; //NON-NLS
         } else {
             throw new FilterValidationException(NONE_SELECTED_MESSAGE);
         }
 
-        return addQuery;
+        return query;
 
     }
 
diff --git a/Core/src/org/sleuthkit/autopsy/filesearch/FileSearchPanel.java b/Core/src/org/sleuthkit/autopsy/filesearch/FileSearchPanel.java
index e2ae8bb6c2..a68a0a1903 100644
--- a/Core/src/org/sleuthkit/autopsy/filesearch/FileSearchPanel.java
+++ b/Core/src/org/sleuthkit/autopsy/filesearch/FileSearchPanel.java
@@ -63,7 +63,8 @@ import org.sleuthkit.datamodel.TskCoreException;
     private List<FilterArea> filterAreas = new ArrayList<FilterArea>();
     private JButton searchButton;
     private static int resultWindowCount = 0; //keep track of result windows so they get unique names
-
+    private static final String EMPTY_WHERE_CLAUSE = NbBundle.getMessage(DateSearchFilter.class, "FileSearchPanel.emptyWhereClause.text");
+    
     /**
      * Creates new form FileSearchPanel
      */
@@ -202,17 +203,29 @@ import org.sleuthkit.datamodel.TskCoreException;
      * org.sleuthkit.autopsy.filesearch.FileSearchFilter.FilterValidationException
      * if an enabled filter is in an invalid state
      */
-    private String getQuery() throws FilterValidationException {
+     private String getQuery() throws FilterValidationException {
 
-        //String query = "SELECT " + tempQuery + " FROM tsk_files WHERE 1";
-        String query = " 1";
+         //String query = "SELECT " + tempQuery + " FROM tsk_files WHERE ";
+         String query = "";
+         int i=0;
+         for (FileSearchFilter f : this.getEnabledFilters()) {
+             String result = f.getPredicate();
+             if (!result.isEmpty()) {
+                 if(i>0) {
+                    query += " AND (" + result + ")"; //NON-NLS
+                 }
+                 else {
+                    query += " (" + result + ")"; //NON-NLS
+                 }
+                 ++i;
+             }
+         }
 
-        for (FileSearchFilter f : this.getEnabledFilters()) {
-            query += " AND (" + f.getPredicate() + ")"; //NON-NLS
-        }
-
-        return query;
-    }
+         if (query.isEmpty()) {
+             throw new FilterValidationException(EMPTY_WHERE_CLAUSE);
+         }
+         return query;
+     }
 
     private Collection<FileSearchFilter> getFilters() {
         Collection<FileSearchFilter> filters = new ArrayList<FileSearchFilter>();
diff --git a/Core/src/org/sleuthkit/autopsy/filesearch/KnownStatusSearchFilter.java b/Core/src/org/sleuthkit/autopsy/filesearch/KnownStatusSearchFilter.java
index 247faa87db..5565553ebc 100644
--- a/Core/src/org/sleuthkit/autopsy/filesearch/KnownStatusSearchFilter.java
+++ b/Core/src/org/sleuthkit/autopsy/filesearch/KnownStatusSearchFilter.java
@@ -56,15 +56,15 @@ class KnownStatusSearchFilter extends AbstractFileSearchFilter<KnownStatusSearch
             throw new FilterValidationException(NONE_SELECTED_MESSAGE);
         }
 
-        String expr = "0";
+        String expr = "NULL";
         if (unknown) {
-            expr += " or " + predicateHelper(FileKnown.UNKNOWN); //NON-NLS
+            expr += " OR " + predicateHelper(FileKnown.UNKNOWN); //NON-NLS
         }
         if (known) {
-            expr += " or " + predicateHelper(FileKnown.KNOWN); //NON-NLS
+            expr += " OR " + predicateHelper(FileKnown.KNOWN); //NON-NLS
         }
         if (knownBad) {
-            expr += " or " + predicateHelper(FileKnown.BAD); //NON-NLS
+            expr += " OR " + predicateHelper(FileKnown.BAD); //NON-NLS
         }
         return expr;
     }
@@ -75,7 +75,7 @@ class KnownStatusSearchFilter extends AbstractFileSearchFilter<KnownStatusSearch
      * @return un-padded SQL boolean expression
      */
     private String predicateHelper(FileKnown knownStatus) {
-        return "known is " + knownStatus.getFileKnownValue(); //NON-NLS
+        return "known = " + knownStatus.getFileKnownValue(); //NON-NLS
     }
 
     @Override