Cop Tech 'Listens' for Gunshots

" Technology being deployed in a couple of Chicago's most violent neighborhoods can identify the sound of gunshots and pinpoint responding officers to their location.

"Not only do we learn where the shots are being fired but now those officers can actually turn cameras on the location, get actionable intelligence that they can feed to the officers in the field as they're approaching," Supt. Garry McCarthy explained Thursday.

The system, called ShotSpotter, uses acoustic sensors that listen for the signature sound of a gunshot and then triangulate its location. Police say the system is very accurate, giving them an exact street address where the gunshots were fired "

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