Twin Falls Police Chief Matthew Hicks said investigators are confident Williams acted alone. Among the victims killed was In-N-Out employee Ashley Garibay, her family told CNN in a statement Monday. Officials have not released the names of the victims as of Monday "out of respect for their families," Twin Falls police said in a statement. Located approximately 130 miles southeast of Boise, Twin Falls is a regional hub for much of southern Idaho. Video captured from a passing vehicle shows an individual, who law enforcement says is not the suspect in the deadly shooting, shooting a gun outside the restaurant.