A witness to a shooting in Colorado said that a “heroic” man confronted and shot an alleged gunman in the Denver suburb of Arvada on June 21. Three people died in the shooting, including a veteran police officer, the shooter, and an onlooker. Police told reporters on June 22 that the officer, 51-year-old Gordon Beasley, was targeted by the gunman because of his police uniform and badge. Witness Bill Troyanos told Denver news station KMGH that the onlooker, 40-year-old John Hurley, had confronted the suspect shooter, 59-year-old Ronald Troyke. Troyanos said that on June 21, he was working at a store in Olde Town Arvada when Hurley, a store patron, ran outside with a gun in his hand after shots were heard fired outside the store. “He did not hesitate; he didn’t stand there and think about it. He totally heard the gunfire, went to the door, saw the shooter and immediately ran in that …