Summary: Omar Mateen, 29, attacked the Pulse nighclub in Orlando in the early morning hours of June 12. He was killed by law enforcement who raided the club after a prolonged standoff.
Weapon: Semiautomatic rifle, semiautomatic handgun
Age of Shooter: 29
Mental Health Details: Yes
Sources: http://www.motherjones.com/politics/2016/06/assault-rifle-used-by-orlando-mass-shooter; http://wrbl.com/2016/06/13/orlando-police-make-statement-on-mass-shooting/; http://www.slate.com/articles/news_and_politics/crime/2016/06/the_ar_15_and_other_assault_rifles_are_bad_high_capacity_magazines_are_worse.html
mental Health Sources: –