Monday, 16 September 2013 13:26 The Associated Press

OCCUPATION: Worked for The Experts, a subcontractor on an HP Enterprise Services contract to refresh equipment used on the Navy-Marine Corps Intranet network. Navy reservist from 2007-2011; left as a petty officer 3rd class, stationed in Fort Worth. After discharge, worked as a waiter and delivery driver at the Happy Bowl Thai restaurant in White Settlement, a suburb of Fort Worth, until May 2013.

EDUCATION: Was pursuing a bachelor's degree in aeronautics via online classes at Embry-Riddle Aeronautical University.

RELIGION: Converted to Buddhism and was devout, wanting to become an ordained monk, according to friends.

ARREST RECORD: In September 2010, Alexis was arrested on suspicion of discharging a firearm within city limits after a neighbor reported she was nearly shot by a bullet fired from his downstairs apartment. He told police his gun accidentally discharged while he was cleaning it, and no charges were filed. In May 2004, he was arrested in Seattle for shooting out the tires of another man's vehicle in what he later described to detectives as an anger-fueled "blackout."

QUOTE: "I wouldn't call him nice, but he seemed harmless, if really awkward," said Gene Demby of Philadelphia, who said he dated one of Alexis' younger sisters in the early 2000s. "He was insecure. He was like a barbershop conspiracy theorist, the kind of guy who believes he's smarter than everyone else. He also was kind of like perpetually aggrieved, but not megalomaniacal or delusional."