Western District patrol officers responded to a ShotSpotter alert in the 1400 block of School Street just before 5 p.m.

ShotSpotter is one of three tools the city is implementing through an $800,000 federal grant from the Bureau of Justice Assistance. It uses sensors placed in a neighborhood to listen for gunshots ...

The City Council voted 33-14 in September to give ShotSpotter contracting authority to Chicago Police Supt. Larry Snelling, who favors the technology. A defiant Brandon Johnson shut down the ...