Chicago aldermen, business leaders pledge $2.5 million to revive ShotSpotter gunshot detection system
Alds. David Moore (17th), Stephanie Coleman (16th), Peter Chico (10th) and other aldermen are joining a handful of business leaders, clergy, and others to urge Mayor Brandon Johnson to reactivate ShotSpotter, which uses acoustic sensors throughout the city to pick up the sound of gunfire to dispatch officers to the location of shootings.