The Spread of ShotSpotter in Chicago 2017 – 2022

ShotSpotter is gunshot detection technology that uses sophisticated acoustic sensors to detect, locate and alert law enforcement agencies and security personnel about illegal gunfire incidents in real-time. ShotSpotter uses acoustic sensors that are strategically placed in an array of approximately 20 sensors per square mile. These sensors are connected wirelessly to ShotSpotter’s centralized, cloud-based application to reliably detect and accurately triangulate gunshots.

Data is from https://data.cityofchicago.org/Public-Safety/Violence-Reduction-Shotspotter-Alerts/3h7q-7mdb. CARTO was used to create animated map of ShotSpotter alerts.

   

Chicago ShotSpotter coverage as of 7/17/2022