The video released by the police also showed that at least three people confronted the gunman with their own weapons during the incident. It shows that the gunman walked up to the drive-thru window four times and opened fire, killing an In-N-Out employee, police said. The gunman, identified as Chad Williams, 24, killed himself when police officers caught up to him on a nearby walking trail. Steube said the gunman shot at him and missed. Police identified the people killed as Ashley Garibay, 23, of Stockton, California; Dale Schultz, 66, of Salt Lake City; and Christopher Claunch, 59, of Hagerman, Idaho.