David Katz Identified As Jacksonville Mass Shooter, Opened Fire After Losing Madden Game

https://globalnews.ca/news/4410783/jacksonville-shooting-david-katz-video-game-tournament/
http://dailysnark.com/david-katz-identified-as-jacksonville-mass-shooter-opened-fire-after-losing
 http://www.latimes.com/nation/la-na-jacksonville-mass-shooting-20180826-story.html
 https://www.businessinsider.com/madden-shooting-jacksonville-david-katz-suspect-2018-8
 http://www.foxnews.com/us/2018/08/26/jacksonville-