By default the app uses your current location to find nearby sex offenders. Optionally a different location can be entered to search another area instead.
The Most Wanted and Missing Persons lists are not location-specific and instead display all results from the FBI database. Touching each result takes you to a web page with more information about that person.
CrimeScope Lite limits search results to 10 and displays ads. For unlimited results and no ads download the Pro version here: https://play.google.com/store/apps/details?id=com.nextropia.crimescope.pro