It’s a surveillance tool that allows law enforcement agencies to simulate a cellphone tower that lets them track a suspect’s phone and their movement.
But the technology also captures information from other phone users in the area.
That, says the American Civil Liberties Union of California, raises serious concerns about the privacy issues surrounding the device known as a StingRay. The ACLU is suing the Anaheim Police Department and Sacramento County Sheriff’s Department for failing to turn over documents to the organization demonstrating their use of that or similar devices.
Last summer ACLU attorneys filed requests for those documents under the California Public...