The attack Saturday at a new In-N-Out Burger in Twin Falls ended when the gunman, identified by police as 24-year-old Chad Williams, shot and killed himself. Twin Falls spokesperson Josh Palmer said Monday that police were still trying to identify next of kin. A vigil is planned for Tuesday evening at Twin Falls City Park, Palmer said. Wounded man moved closer to gunfire to helpIn a Facebook post, Marcus Scott James said his son Austin “A.J.” It was updated on Aug. 4, 2026, to include the last names of victim Austin Scott James and his father, Marcus Scott James.