New police radars can 'see' inside homes

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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. Supreme Court has said officers generally cannot use high-tech sensors to tell them about the inside of a person's house

without first obtaining a search warrant.

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At least 50 U.S. law enforcement agencies use the handheld Range-R radar device, which can detect whether anyone is on the other side of a wall.

At least 50 U.S. law enforcement agencies use the handheld Range-R radar device, which can detect whether anyone is on the other side of a wall. less

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. They can detect whether anyone is inside of a house, where they are and whether they are moving.

Source: www.usatoday.com

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