Shannon and Troy Zeeman in their Garden Grove, California, home on Monday, Sept. 23, 2019. Troy Zeeman, a Newport Beach police officer, was off duty when he was shot in the leg at the Route 91 Harvest festival in 2017 in Las Vegas. He and his wife since have created their own active shooter preparedness course. (Elizabeth Page Brumley/Las Vegas Review-Journal @EliPagePhoto)