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Documenting Police Tech in Our Communities
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Detroit Police Department: Gunshot Detection

Illustration of how gunshot detection would function in an urban area
Sensors triangulate the location of gunfire.
Credit: ShotSpotter/City of Seattle
Agency Detroit Police Department
Location Detroit, MI
Technology Gunshot Detection
Vendor ShotSpotter

The Detroit Police Department launched its latest deployment of ShotSpotter gunshot detection technology in March 2021. The sensors were primarily installed in a 6.5-square-mile area covering the city's Eights and Ninth precincts. Previously, the agency had tested ShotSpotter in 2014, but did not continue the program after the initial 15-month trial period.

More about this technology

Gunshot detection is a technology law enforcement uses to receive alerts on where gunfire may occur in neighborhoods. This technology relies on a series of acoustic sensors mounted on street lights or on the sides of buildings. When a loud noise triggers the sensors, software triangulates the estimated location of the gunfire.

Illustration of how gunshot detection would function in an urban area
Sensors triangulate the location of gunfire.
Credit: ShotSpotter/City of Seattle