DHS admits it uses Stingrays for VIPs, vows to sometimes get warrants, stop lying to judges

The DHS's newly released policy statement on the use of Stingrays (stationary fake cellphone towers used to track people in a specific location) and Dirt Boxes (airplane-mounted surveillance that tracks whole populations) represents a welcome, if overdue, transparency in the use of cellphone surveillance by federal agencies. (more…)