https://www.shootingillustrated.com/content/after-the-shooting-stops/
John Hurley, 40, was inside the Arvada Army Navy Surplus store on June 21 when a gunman opened fire at Arvada Police Officer Gordon Beesley. He was shot and killed by a responding officer who, according to a coroner’s report, saw him moving the attacker’s gun and thought he was the gunman who had killed Beesley.