loitering

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'Mosquito' Device Emits Buzz to Keep Teens Away

DC's Gallery Place installs controversial device

(Newser) - The developer of DC's Gallery Place, a busy mix of retail shops and restaurants, is trying a controversial measure to keep teens from loitering: The $1,000 device is called the "Mosquito," and it emits a piercing, high-pitched tone that is supposed to be audible only to young...

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