As the use of geofence warrants has grown, so have controversies surrounding them. Defense attorneys argue they’re unconstitutional, and prosecutors say their use is a valid and valuable crime-solving technique. Litigation questioning the constitutionality of geofence warrants is now surfacing.
Privacy and civil rights advocates also say the geographic scope of these warrants gives police information about people in private locales, such as their homes or doctors’ offices. But prosecutors say these warrants help authorities catch criminals.