A look at the data behind the profiles of some mass shooters and shared commonalities.
ABC News Live Prime, Weekdays at 7EST & 9EST
WATCH the ABC News Live Stream Here: https://www.youtube.com/watch?v=w_Ma8oQLmSM
SUBSCRIBE to ABC NEWS: https://bit.ly/2vZb6yP
Watch More on http://abcnews.go.com/
LIKE ABC News on FACEBOOK https://www.facebook.com/abcnews
FOLLOW ABC News on TWITTER: https://twitter.com/abc
#ABCNLPrime #ByTheNumbers #MassShooters #Commonalities #Data #Profiles