He also could afford a plane and had a pilots license.
My theory is that it was a gun deal between Feds and Islamic terrorists that went wrong ( Check out who rented an entire wing in the hotel that night) which caused a shoot out.
And shooting into random civilians was a fast/easy impulsive damage control method for a cover up.
The last thing I read was he might have worked for AT&T. Was there ever any further updates on this? It dropped out the news insanely fast.
For a talking RV bomb the media dropped this story after 48 hours, which is insane.