How to prevent a massacre.

And how to stop a massacre.

Eric Dietz, Ph.D., former director of Homeland Security for the state of Indiana and a 22-year Army veteran, now a professor at Purdue University, researched mass shootings from the 1950’s on. He discovered that only two of them occurred where it was legal to carry guns. Every mass shooting in the US since the 1950’s except two have occurred in “gun-free” zones.

We have also learned what apparently most, if not all, of these killers have in common — a Facebook account. So, let’s ban Facebook….

How to help a cop.