One Way to Prevent Police From Surveilling Your Phone

You can add a PIN code to your phone’s SIM card in order to prevent police from cloning it.

New York Police Are Using Covert Cellphone Trackers, Civil Liberties Group Says - The New York Times

Give up your password or go to jail: Police push legal boundaries to get into cellphones

Find Out How to Limit Your Phone's Tracking Abilities

One Way to Prevent Police From Surveilling Your Phone

Police surveillance and facial recognition: Why data privacy is imperative for communities of color

One Way to Prevent Police From Surveilling Your Phone

Behind the One-Way Mirror: A Deep Dive Into the Technology of Corporate Surveillance

Carthage Police Department

Mobile Spyware: Identification, Removal, and Prevention - TechSafety