Chicago alderpersons took a significant step toward preserving the city's contract for ShotSpotter, the controversial gunshot detection system, but they remained very far from overcoming Mayor Brandon Johnson's opposition. WBBM Political Editor Craig Dellimore reports.

Photo by Mike Tish

<p>Chicago alderpersons took a significant step toward preserving the city's contract for ShotSpotter, the controversial gunshot detection system, but they remained very far from overcoming Mayor Brandon Johnson's opposition. WBBM Political Editor Craig Dellimore reports.</p>
<p>Photo by Mike Tish</p>

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