The man suspected of opening fire outside an In-N-Out Burger in Twin Falls, Idaho, over the weekend, killing three people and injuring seven others, has been identified as 24-year-old Chad Williams. Police confirmed Williams died from an apparent self-inflicted gunshot wound following the incident on Saturday, August 1, 2026.

The shooting occurred near a busy shopping area, with bystander video verified by ABC News showing an alleged gunman preparing to open fire on a vehicle. An In-N-Out employee was among the three fatalities confirmed by the company. The seven injured individuals sustained varying degrees of wounds, some critically.

Investigators are confident that Williams acted alone, according to the Twin Falls Police Department. His family members are cooperating with the ongoing investigation into a motive for the mass shooting. The FBI has been made aware of the situation and is offering assistance to local law enforcement, also requesting that the public submit any relevant video, audio, or still images captured during the event.

Williams had attended the College of Southern Idaho in 2022 and 2023 but did not complete a degree. A college spokesperson confirmed he served as a senator in the student government until his impeachment in February 2023. A former student government colleague, Elijah Moseley, described the impeachment as procedural and stated he had lost touch with Williams since then.

An armed off-duty Idaho state trooper and a private citizen are credited with confronting the shooter, which authorities believe prevented further casualties by driving the suspect from the scene. Twin Falls Police Chief Matthew Hicks stated that investigators are continuing to interview witnesses and urged anyone with information to come forward.

The motive behind the shooting remains under active investigation by local authorities and the FBI. The incident has prompted widespread concern and calls for information from the public.

Details regarding the backgrounds of the victims are still being released as authorities continue their work. The focus remains on understanding the events leading up to the tragic shooting and identifying any contributing factors.

Authorities are working to piece together a comprehensive timeline and understanding of the incident. The cooperation of the suspect's family and the public is considered crucial in resolving the investigation.