ShotSpotter has attracted a lot of press and plenty of criticism for the gunfire detection service they provide to many law enforcement agencies in the US. The system involves installing acoustic sensors throughout a city, which use some sort of signature matching to detect gunfire and then use time of flight to determine the likely source.
Have you lived in Chicago or any city with a large black population?
Trust me you want police to use shot spotter in cities with a large black population
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