A new study out of Northwestern Medicine finds dozens of lives could have been saved from mass shootings in recent years — and how that could have happened. WBBM's Andy Dahn reports.

Photo credit Getty Images

<p>A new study out of Northwestern Medicine finds dozens of lives could have been saved from mass shootings in recent years — and how that could have happened. WBBM's Andy Dahn reports.</p>
<p>Photo credit Getty Images</p>

Advertisement