Although described as a “polite” kid and “typical teenager,” throughout his adult life Alexis displayed disturbing, “bizarre” and “alarming” behaviors. In 2004, at the age of twenty-five, Alexis had walked out of his grandmother’s house and, later claiming to be frustrated over the parking situation there, shot three rounds from a .45 caliber pistol at the car of a nearby construction worker. He later explained to police that he had PTSD and had blacked out and only later remembered shooting at the car. His troubles, he told them, began when he participated in rescue and recovery operations in
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