A surveillance device commonly referred to as a Stingray was listed on eBay for $50,000 before being removed from the platform.

The Justice Department says it will beef up legal requirements for using cell-site simulators, an increasingly controversial form of surveillance technology that secretly gathers data about mobile ...

The investigation of that homegrown plot to kill police officers in Boston continues, but this much we know &#8212 without extensive cell phone surveillance, the suspects would probably have gone ...

WASHINGTON (Reuters) -A hacker working for the Sinaloa drug cartel was able to obtain an FBI official's phone records and use Mexico City's surveillance cameras to help track and kill the agency's ...

The United States is embroiled in a civil conflict, and much of the battlefield is invisible. But the tools available to each side are not equal and the most powerful tool in this conflict — ...

Editor’s Note: This story is the third installment in a series produced in partnership with the Pulitzer Center’s AI Accountability Network. Goliad County police kicked off one human smuggling ...

WASHINGTON (Reuters) - Mobile phone carriers received more than 1.3 million requests last year from U.S. law enforcement agencies for their customers' phone records and the requests are on the rise, ...

Nearly four years ago, the Electronic Privacy Information Center released FBI documents discussing a controversial surveillance technique. Both federal and local ...

Officials with the Department of Homeland Security detected potential surveillance activity near “sensitive facilities” in Washington, including the White House, according to a study conducted last ...