By selecting from among the various criteria listed in the left-hand panel on the advanced search page.

In Step 2, you can select one topic or combine several to target the information you need. Many of the search criteria will allow the user to select from a drop-down list, a date, and some permit free text typing. Additionally, each criterion can be adjusted by the operator directly in front of the selection field for those criteria. For example, users could select investigations where the target date is blank, not blank, before a date, after a date, or between two dates.