Guardian: TechScape: How police use location and search data to find suspects – and not always the right ones

Guardian: TechScape: How police use location and search data to find suspects – and not always the right ones (“It’s a practice public defenders, privacy advocates and many lawmakers have criticised, arguing it violates fourth amendment protections against unreasonable searches. Unlike reverse search warrants, other warrants and subpoenas target a specific person that law enforcement has established there is probable cause to believe has committed a specific crime. But geofence warrants are sweeping in nature and are often used to compile a suspect list to further investigate.”)