He had previously claimed PTSD:
http://www.dailymail.co.uk/news/article-2421980/REVEALED-Gunman-34-murdered-TWELVE-injured-15-Washington-Navy-Yard-rampage-decorated-petty-officer-left-military-2011-previous-gun-charge.html
This guy was a repeat offender....W.T.H.
for some reason he was never boxed up.?????????
http://www.huffingtonpost.com/2013/09/16/navy-yard-shooting-suspect_n_3936876.html