Chicago Police Department: Gunshot Detection

Agency	Chicago Police Department
Location	Chicago, IL
Technology	Gunshot Detection
Vendor	ShotSpotter

In 2018, the Chicago Police Department signed a three-year contract worth $23 million with ShotSpotter for gunshot detection technology. The network of sensors spans 100 square miles and 12 police districts.

Links
Press release (Shotspotter)

More about this technology

A system of acoustic sensors mounted on street lights or on the sides of buildings that passively listen for gunshots.