Ahead of Wednesday's City Council meeting, a former top cop in Chicago was joined by several aldermen to say ShotSpotter makes the city safer -- and the technology should stay. WBBM's Terry Keshner reports.

Photo by Brian Cassella/Chicago Tribune/Tribune News Service via Getty Images

<p>Ahead of Wednesday's City Council meeting, a former top cop in Chicago was joined by several aldermen to say ShotSpotter makes the city safer -- and the technology should stay. WBBM's Terry Keshner reports.</p>
<p>Photo by Brian Cassella/Chicago Tribune/Tribune News Service via Getty Images</p>

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