Las Vegas gunman Stephen Paddock at Mandalay Bay before the shooting at the Route 91 Harvest music festival shooting on Oct. 1, 2017. Behind him is a bellman’s cart with luggage and a plastic bin. …

Las Vegas gunman Stephen Paddock at Mandalay Bay before the shooting at the Route 91 Harvest music festival shooting on Oct. 1, 2017. Behind him is a bellman’s cart with luggage and a plastic bin. (MGM Resorts)