Despite a move in the Chicago City Council to allow the possible extension of a controversial gun shot detection system. Mayor Johnson says he's standing firm on his decision to end it. WBBM's Jim Gudas reports.

Photo Credit: Terrence Antonio James/Chicago Tribune/Tribune News Service via Getty Images

<p>Despite a move in the Chicago City Council to allow the possible extension of a controversial gun shot detection system. Mayor Johnson says he's standing firm on his decision to end it. WBBM's Jim Gudas reports.</p>
<p>Photo Credit: Terrence Antonio James/Chicago Tribune/Tribune News Service via Getty Images</p>

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