Years before Chad Williams, 24, showed up at the new Twin Falls fast food joint, he expressed horror at the randomness of an armed carjacking in his hometown of Waddell, Arizona. “He would have killed you or me for walking out of our front door at the wrong time over a truck he would sell for just $8,000.” Williams, whose X bio said that he was a “former foster care youth” and that he participated in Boys State — a leadership program for top students — in 2019, stopped posting in July 2025. He mostly commented on news of the...