Williams v. City of Chicago

Other · MacArthur Justice Center · 2026

MacArthur Justice Center's case page on Williams. Its study of police data found 89% of ShotSpotter deployments turned up no gun-related crime. MJC is Williams's legal counsel.

Despite ShotSpotter’s claims of 97% accuracy, a MacArthur Justice Center (MJC) study using data from the Chicago Police Department (CPD) revealed that over the course of 21 months, 89% of ShotSpotter deployments turned up no gun-related crime and 86% led to no report of any crime at all.

MacArthur Justice Center's case page on Williams. Its study of police data found 89% of ShotSpotter deployments turned up no gun-related crime. MJC is Williams's legal counsel.

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