Cell phone tracking data is often presented as evidence in murder cases in El Paso, but what is the law to protect a citizens' right to privacy?

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 ...

WASHINGTON (AP) – The National Security Agency on Friday said its tracking of cellphones overseas is legally authorized under a sweeping U.S. presidential order. The distinction means the ...

Police generally need a warrant to look at records that reveal where cellphone users have been, the Supreme Court ruled Friday in a big victory for privacy interests in the digital age. The justices' ...

Insurance giant Allstate is facing a privacy lawsuit over allegedly using cellphone tracking data to deny coverage and ...

Add Yahoo as a preferred source to see more of our stories on Google. A Milwaukee PD "critical response vehicle", or surveillance van. (Photo by Isiah Holmes/Wisconsin Examiner) A Milwaukee PD ...

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 ...

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 ...

Capitalizing on all the information we put into our cell phones, Verizon Wireless is selling all our app usage and location information to marketers, reports CNET's Declan McCullagh. Part of what it ...

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 ...