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New police radars can 'see' inside homes

New police radars can 'see' inside homes
Radar devices allowing officers to detect movement through walls have been secretly used by at least 50 U.S. law enforcement agencies over the last two years. VPC 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 the U.S. Marshals Service, began deploying the radar systems more than two years ago with little notice to the courts and no public disclosure of when or how they would be used. The technology raises legal and privacy issues because the U.S. The radars work like finely tuned motion detectors, using radio waves to zero in on movements as slight as human breathing from a distance of more than 50 feet. By then, however, the technology was hardly new. Imgur

http://www.usatoday.com/story/news/2015/01/19/police-radar-see-through-walls/22007615/

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