Fox News Radio’s Jessica Rosenthal gives update on the Las Vegas Shooting. Country music star Jason Aldean was performing at the Route 91 Harvest Festival when the gunfire erupted. The gunman, who fired down on the concert from a room on the 32nd floor of the Mandalay Bay Hotel and Casino, was killed by police. A warrant has been issued for shooter’s roommate Marilou Danley and is described as an Asian female, about 4’11 and 111 pounds. Authorities told the public to keep an eye out for a Hyundai with a Nevada plate: 114B40 and a Chrysler with a Nevada plate 19D401.