he gunman who ambushed and killed an Arvada police officer in June planned an attack on officers after developing an obsession with anti-police videos on YouTube.
Ronald Troyke, 59, shot and killed Officer Gordon Beesley on June 21 in Olde Town Arvada, prompting mid-day chaos in the busy commercial district. Johnny Hurley, a man with a concealed weapon who was shopping nearby, killed Troyke before being shot and killed by a responding Arvada police officer who mistook him for an active shooter.