How to Spot the Next Mass Shooter
by Beth Skwarecki on Vitals, shared by Beth Skwarecki from Lifehacker on (#43312)

The Thousand Oaks shooter allegedly assaulted his track coach, years before the shooting. She was encouraged to keep it quiet. The Florida high school shooter allegedly abused, threatened, and stalked people he knew. The Las Vegas shooter allegedly verbally abused his girlfriend in public. There's no surefire way to"