by Adam Bates, Cato @ Liberty, Apr. 9, 2015, 10:56AM
It’s been a bad week for Stingray secrecy. Following a court-ordered document dump in New York earlier this week, a Baltimore detective yesterday testified in court that he had personally used a Stingray between 600 and 800 times during two years as a member of the Baltimore Police Department’s Advanced Technical Team. He also testified that the unit has used such devices 4,300 times since 2007.
Stingrays are handheld or vehicle-mounted surveillance devices that operate by mimicking cell towers. They have the capability to force cell phones within their range to connect with the Stingray and transmit ID information from the phone. Some models – the technology is constantly being upgraded to keep pace with advancing telecommunications infrastructure – are suspected of being able to intercept content, but the true extent of the capability is a closely-guarded secret. What is increasingly not a secret is that dozens of law enforcement agencies around the country have been using these devices for years to sweep up swaths of cell phone data, much of it from innocent people, with little to no transparency or oversight. Continue reading →