A civil liberties group has filed a lawsuit against the U.S. Marshals Service, demanding more information about a controversial surveillance tactic involving airplanes that fly over urban areas in order to sweep up cell phone signals.
The Electronic Frontier Foundation’s lawsuit, filed in Washington, claims that the group demanded documents about the plane program under freedom-of-information laws last November, but that the federal government has so far failed to turn them over as required.
The plane program in question came to light last after the Wall Street Journal revealed how the Justice Department straps small devices known as “dirtboxes” to Cessna planes in order to lock on to cell signals. The devices, which measure two feet square, are reportedly capable of recording location, phone data and even conversations. Continue>>>