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. The ...

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

Getting your Trinity Audio player ready... LONDON — Smartphones are useful tools for everyday life, but they’re privy to nearly everything about you, including all the places you’ve been — if you let ...

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 ...

Nevada has signed an agreement with Fog Data Science to use cellphone location data for police tracking without a warrant.