State police in New Jersey aren't saying why they spent 50,000 on cell phone surveillance tech


Civil liberties groups contend the technology could violate the privacy of anyone with a mobile phone who passes by.

California bill: All police surveillance tech must be approved in public forum


New legislation before the California Senate could bring new transparency to law enforcement, while police worry it could give the bad guys an unwelcome edge.

‘Stingray’ technology use needs better guidelines, House committee says


The DOJ and DHS spent more than 5 million on the devices, and while there are federal policies for usage, state and local agencies are deploying them without unified guidelines.

Documents show Boston police never obtained warrants to use cell-site simulators


After a series of public records requests, the department revealed that it's only used the devices known as "stingrays" without court orders.