3 killed in Idaho In-N-Out shooting included a man known for helping others get sober

Three people were killed when a gunman opened fire at an In-N-Out Burger in Twin Falls, Idaho

Victims identified as Ashley Garibay, 23, of Stockton, California; Dale Schultz, 66, of Salt Lake City; and Christopher Claunch, 59, of Hagerman, Idaho

The gunman, identified as Chad Williams, 24, shot and killed himself to end the attack

Garibay worked for In-N-Out training new employees and dreamed of managing a store

Saturday: Gunman opened fire at the In-N-Out Burger in Twin Falls, ending when he shot and killed himself · late July: The Twin Falls In-N-Out location opened as part of the chain's Idaho expansion · Monday: Garren Taylor and Gregory Glenn spoke about victims Claunch and Schultz · Tuesday: Authorities released the names of the three people killed · Tuesday night: Hundreds gathered at a park in Twin Falls for a vigil to honor the victims

3 people killed · 24 gunman's age · 23 Garibay's age · 66 Schultz's age · 59 Claunch's age

Police were still trying to determine a motive for the shooting