How often does a ‘good guy with a gun’ end an attack?

A shooting at an Indiana mall Sunday that left three innocent people dead and two more injured could have been far worse if not for the actions of an armed civilian, authorities say.

Police are calling 22-year-old Elisjsha Dicken a hero after they say he shot and killed the suspected 20-year-old gunman with a firearm he was legally carrying.

“Many more people would have died last night if not for a responsible, armed citizen that took action very quickly within the first two minutes of the shooting,” said Greenwood Police Chief Jim Ison.

How common is it for civilians to stop active threats? Data from the Advanced Law Enforcement Rapid Response Training (ALERRT) Center at Texas State University suggests bystanders stop active attacks about 16% of the time, although typically without using a gun.

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Shit, even if it was only one time, it justifies citizens carrying firearms in public places.

Apparently most people think like I do according to this:

Americans trust armed citizens more than law enforcement to stop mass shooters, poll finds