US Agency Cancels Contract For Warrantless Tracking of Mobile Devices

America's Bureau of Alcohol, Tobacco, Firearms and Explosives has "canceled its contract for a surveillance tool that enables warrantless tracking of mobile devices," reports the Associated Press. They note the move comes "after lawmakers, a prosecutor and a judge raised concerns about the legality of the tool in criminal investigations." ATF, the federal agency responsible for enforcing the nation's gun laws, told The Associated Press that it discontinued what it called a "pilot" program usi