Off-duty trooper and armed citizen hailed as heroes after returning fire on In-N-Out gunman

Police identified the man accused of opening fire Saturday at a recently opened In-N-Out Burger location in Twin Falls, Idaho, as Chad Williams, 24, saying he died from a self-inflicted gunshot wound after fatally shooting an employee and a customer.

Investigators believe Williams acted alone in the Saturday attack, Twin Falls Police Chief Matthew Hicks said during a news conference Sunday.

This still image captured from video by a witness shows the scene of a shooting that started at an In-N-Out Burger restaurant, Saturday, Aug. 1, 2026 in Twin Falls, Idaho. (Kevin Bell Jr. via AP)

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Three people died, and seven others were wounded in the shootout, city spokesperson Josh Palmer previously said.

Police reportedly found the suspected gunman dead near the restaurant.

This is a developing story. Please check back for updates.

The Associated Press contributed to this report.