It's a controversial secret cell phone tracking system that the Pennsylvania State Police is now using. Stingray acts as a decoy cell phone tower, sending out a powerful signal that forces mobile ...

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 ...

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 ...