A second-hand witness says the guy had a 9/11 tattoo.
Sounds to me like he was some stupid, pumped up hick who was too lazy and thick to understand the difference between a sikh and a moslem.
You would think if you motivated enough to gear up with the intention of going down in a retarded, attention-seeking blaze of glory, you’d take some time and effort to do some research before going off on the only killing spree you’ll ever have the chance to do...