To state the obvious this is a breaking news situation and their is a risk of error as on any developing story.
Shooters full name given as:
Omar Mir Seddique Mateen
I understand the ME examining Omar’s remains jammed a finger on one of the bullets because “objects in Mir are closer than they appear.”
Need to find a screen cap of fox news crawl , where it said Homeland Security knew he had been to Afghanistan for weapons training:
http://www.freerepublic.com/focus/f-news/3439285/posts?page=36#36
http://www.freerepublic.com/focus/f-news/3439285/posts?page=67#67
http://www.freerepublic.com/focus/f-news/3439285/posts?page=79#79
Pingout, searching for screencap of news crawl....