A bipartisan House Oversight and Government Reform Committee report released today urges Congress to pass legislation to regulate cell-site simulation surveillance devices like the Stingray.

The devices, used by local and federal law enforcement agencies around the country, have been controversial, both for their power to track mobile devices and the secrecy often accompanying their use. As the report notes, the devices are still often used by local law enforcement agencies without warrants, instead relying on various lower standards of evidence.

The committee’s investigation, which last year prompted the Justice Department and Department of Homeland Security to change their policies on when…

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