Categories Burlington Iowa News West Burlington Nearly Every Mass Shooting In The Last 20 Years Shares One Thing In Common, & It’s NOT Weapons Post author By Falcon Post date April 12, 2013 Click Here: The overwhelming evidence points to the signal largest common factor in all of these incidents is the fact that all of the perpetrators were either actively taking powerful psychotropic drugs or had been at some point in the immediate past before they committed their crimes. ← Gun Control – What Happens When Guns Are Banned → Obituaries