The Supreme Court heard arguments Monday on whether police can use cell phone location data, known as geo-fencing, to help ...

Of all of the recent technological developments that have expanded the surveillance capabilities of law enforcement agencies at the expense of individual privacy, perhaps the most powerful is cell ...

Nevada quietly signed an agreement earlier this year with a company that collects location data from cellphones, allowing police to track a device virtually in real time — all without a warrant.

Televigation Inc., Sunnyvale, Calif., has launched TeleNavTrack, a mobile phone-based tracking service with integrated audible and visual GPS navigation, electronic time sheet reporting and ...

It’s been over a year since 35 ACLU affiliates filed over 380 public records requests with state and local law enforcement agencies seeking information about their policies, procedures, and practices ...

Many law enforcement agencies across the U.S. track mobile phones as part of investigations, but only a minority ask for court-ordered warrants, according to a new report released Monday by the ...

Earlier this year ICE ordered new vehicles equipped with smartphone-tracking hardware. Cell-tower simulating “Stingray” devices gather records on phones in their vicinity. Luckily, Android 16 includes ...