He apparently intended to kill at least one TSA officer , to demonstrate lax security with TSA, and to instill fear in TSA officers.

Mission accomplished, at least as far as the murder went. He shot Gerardo Hernandez, saw that he was still moving, and went back to shoot him again.

He is said to have used a Smith & Wesson M&P15. Look for some more talk about banning "assault rifles" again.

Onward and upward,
airforce