Click on the Advanced Search button in the middle of the IDS homepage.
Under Step 1, click the dropdown menu and select the investigation type appropriate for the desired search. If you wish to search across all mission areas/investigation types, click “Select All”. Once an initial selection is made in Step 1, the page will automatically update to Step 2. On the left side of the page, you are presented with all the potential criteria from which you can craft your desired search.