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Purdue Homeland Security Institute Simulation Shows That Armed Citizens Are The Best Option Against Active Shooters & Terrorists


The Purdue Homeland Security Institute has developed simulation technology to determine what the best course of action is when dealing with an active shooter situation.

The conclusion: Armed citizens.

For the last five years, Adam Kirby has been working on this technology and sat in horror as he watched the events unfold in Paris last week. He noted that as he was watching TV, he had a strong feeling that more people were being killed and that they couldn’t do much to save themselves.

During the attack at the concert hall, for example, it took police a full 140 minutes to act. Granted the situation was extremely difficult and had to be approached with caution, it doesn’t negate the fact that an incredible amount of time lapsed before action was ultimately taken.

“My research has shown that in a typical shooting situation, one person is shot roughly every 20 seconds,” explained Kirby. “And in 140 minutes, that leaves a lot of room for a lot of people to get shot.”

With the simulation technology, Kirby can adjust factors such as police response time, the probability of concealed carriers being in the mix, and whether or not armed security would be at the location.


The conclusion is that if more individuals are armed, who find themselves in a situation like this, then less casualties can be expected. It is noted that the same holds true for faster police response times and the addition of security guards.

The ultimate takeaway of this seems to be this: when firearms are added to the equation, whether they are added by police or armed citizens, casualties would likely be decreased.

And given the fact that any armed citizen would likely be the first to respond –since they’re already at the location– the best conclusion in my eyes is to have more armed citizens who know how to use their firearms.

Kirby plans to use the technology to run a simulation for the recent attacks in Paris once all the variables are determined.

“Once this is all settled down, we can actually look at the numbers, and learn from what happened,” said Kirby “And hopefully try and make some policy decisions, which is what we are trying to do with our research here at the Purdue Homeland Security Institute.”

Categories: General
About Brandon Curtis | View all posts by Brandon Curtis

Brandon is the founder of Concealed Nation and is an avid firearm enthusiast, with a particular interest in responsible concealed carry. His EDC is a Glock 27 that holds Hornady…

Brandon is the founder of Concealed Nation and is an avid firearm enthusiast, with a particular interest in responsible concealed carry. His EDC is a Glock 27 that holds Hornady 165 gr FTX Critical Defense rounds, and rides comfortably in an Alien Gear Cloak Tuck 3.0 holster.

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  • Scott McNamara

    Also, just the THREAT that people COULD be armed may be more of a deterrent.

    • allihondro V

      You do know that we have a population of over 320 million that own over 200 million guns. You reasoning isnt exactly working.

  • allihondro V

    here is the flaw in this. When people that were at recent shootings that had conceal carry permits were asked Why they didnt shoot back?. the main reason they gave was they didnt want to be shot by police thinking they were the shooter. Some of the people saying this have been retired military with combat and special forces training.

  • BostonLiberty

    We are seeing more and more Law Enforcement officials calling on the public to carry concealed as we are the first line of defense in the face of an attack in public.