\ WASHINGTON — At least 50 U.S. law enforcement agencies have secretly equipped their officers with radar devices that allow them to effectively peer through the walls of houses to see whether anyone is inside, a practice raising new concerns about the extent of government surveillance. Those agencies, including the FBI and
VIDEO: New Police Radars Can ‘See’ Inside Homes
At least 50 U.S. police departments quietly deployed radars that let them effectively see inside homes, with little notice to the courts or the public.
