Chilling images from active shooter scene on Las Vegas Strip LAS VEGAS, NV - OCTOBER 01: (EDITORS NOTE: Image contains graphic content.) People carry a peson at the Route 91 Harvest country music festival after apparent gun fire was heard on October 1, 2017 in Las Vegas, Nevada. There are reports of an active shooter around the Mandalay Bay Resort and Casino. (Photo by David Becker/Getty Images)Photo by: David Becker Chilling images from active shooter scene on Las Vegas Strip LAS VEGAS, NV - OCTOBER 01: Las Vegas Metropolitan Police Department officers stand near an ambulance as medical personnel treat a person in the parking lot of the Hooters Casino Hotel after a mass shooting at a country music festival nearby on October 1, 2017 in Las Vegas, Nevada. A gunman has opened fire on a music festival in Las Vegas, leaving at least 20 people dead and more than 100 injured. Police have confirmed that one suspect has been shot. The investigation is ongoing. (Photo by Ethan Miller/Getty Images)Photo by: Ethan Miller Chilling images from active shooter scene on Las Vegas Strip LAS VEGAS, NV - OCTOBER 01: People run from the Route 91 Harvest country music festival after apparent gun fire was heard on October 1, 2017 in Las Vegas, Nevada. There are reports of an active shooter around the Mandalay Bay Resort and Casino. (Photo by David Becker/Getty Images)Photo by: David Becker Chilling images from active shooter scene on Las Vegas Strip LAS VEGAS, NV - OCTOBER 01: A cowboy hat lays in the street after shots were fired near a country music festival on October 1, 2017 in Las Vegas, Nevada. There are reports of an active shooter around the Mandalay Bay Resort and Casino. (Photo by David Becker/Getty Images)Photo by: David Becker Chilling images from active shooter scene on Las Vegas Strip LAS VEGAS, NV - OCTOBER 01 People run from the Route 91 Harvest country music festival after apparent gun fire was heard on October 1, 2017 in Las Vegas, Nevada. There are reports of an active shooter around the Mandalay Bay Resort and Casino. (Photo by David Becker/Getty Images)Photo by: David Becker Chilling images from active shooter scene on Las Vegas Strip LAS VEGAS, NV - OCTOBER 01: A man lays on top of a woman as others flee the Route 91 Harvest country music festival grounds after a active shooter was reported on October 1, 2017 in Las Vegas, Nevada. A gunman has opened fire on a music festival in Las Vegas, leaving at least 2 people dead. Police have confirmed that one suspect has been shot. The investigation is ongoing. (Photo by David Becker/Getty Images)Photo by: David Becker Chilling images from active shooter scene on Las Vegas Strip LAS VEGAS, NV - OCTOBER 01: People run from the Route 91 Harvest country music festival after apparent gun fire was heard on October 1, 2017 in Las Vegas, Nevada. There are reports of an active shooter around the Mandalay Bay Resort and Casino. (Photo by David Becker/Getty Images)Photo by: David Becker Chilling images from active shooter scene on Las Vegas Strip LAS VEGAS, NV - OCTOBER 01: A police helicoper circles the Mandalay Bay and Luxor hotels after a active shooter was reported on October 1, 2017 in Las Vegas, Nevada. A gunman has opened fire on a music festival in Las Vegas, leaving at least 2 people dead. Police have confirmed that one suspect has been shot. The investigation is ongoing. (Photo by David Becker/Getty Images)Photo by: David Becker Chilling images from active shooter scene on Las Vegas Strip LAS VEGAS, NV - OCTOBER 02: Broken windows are seen on the 32nd floor of the Mandalay Bay Resort and Casino after a lone gunman opened fired on the Route 91 Harvest country music festival on October 2, 2017 in Las Vegas, Nevada. The gunman, identified as Stephen Paddock, 64, of Mesquite, Nevada, opened fire from the Mandalay Bay Resort and Casino on the music festival, leaving at least 50 people dead and hundreds injured. Police have confirmed that one suspect has been shot. The investigation is ongoing. (Photo by David Becker/Getty Images)Photo by: David Becker Chilling images from active shooter scene on Las Vegas Strip LAS VEGAS, NV - OCTOBER 02: Broken windows are seen on the 32nd floor of the Mandalay Bay Resort and Casino after a lone gunman opened fired on the Route 91 Harvest country music festival on October 2, 2017 in Las Vegas, Nevada. The gunman, identified as Stephen Paddock, 64, of Mesquite, Nevada, opened fire from the Mandalay Bay Resort and Casino on the music festival, leaving at least 50 people dead and hundreds injured. Police have confirmed that one suspect has been shot. The investigation is ongoing. (Photo by David Becker/Getty Images)Photo by: David Becker Chilling images from active shooter scene on Las Vegas Strip LAS VEGAS, NV - OCTOBER 02: People hug and cry outside the Thomas & Mack Center after a mass shooting at the Route 91 Harvest country music festival on October 2, 2017 in Las Vegas, Nevada. A gunman, identified as Stephen Paddock, 64, of Mesquite, Nevada, opened fire from the Mandalay Bay Resort and Casino on the music festival, leaving at least 50 people dead and hundreds injured. Police have confirmed that one suspect has been shot. The investigation is ongoing. (Photo by Ethan Miller/Getty Images)Photo by: Ethan Miller Chilling images from active shooter scene on Las Vegas Strip LAS VEGAS, NV - OCTOBER 02: A Las Vegas Metropolitan Police Department officer stands in the intersection of Las Vegas Boulevard and Tropicana Ave. after a mass shooting at a country music festival nearby on October 2, 2017 in Las Vegas, Nevada. A gunman has opened fire on a music festival in Las Vegas, leaving at least 20 people dead and more than 100 injured. Police have confirmed that one suspect has been shot. The investigation is ongoing. (Photo by Ethan Miller/Getty Images)Photo by: Ethan Miller Chilling images from active shooter scene on Las Vegas Strip LAS VEGAS, NV - OCTOBER 02: An ambulance leaves the intersection of Las Vegas Boulevard and Tropicana Ave. after a mass shooting at a country music festival nearby on October 2, 2017 in Las Vegas, Nevada. A gunman has opened fire on a music festival in Las Vegas, leaving at least 20 people dead and more than 100 injured. Police have confirmed that one suspect has been shot. The investigation is ongoing. (Photo by Ethan Miller/Getty Images)Photo by: Ethan Miller Chilling images from active shooter scene on Las Vegas Strip LAS VEGAS, NV - OCTOBER 02: A Las Vegas Metropolitan Police Department officer stands in the intersection of Las Vegas Boulevard and Tropicana Ave. after a mass shooting at a country music festival nearby on October 2, 2017 in Las Vegas, Nevada. A gunman has opened fire on a music festival in Las Vegas, leaving at least 20 people dead and more than 100 injured. Police have confirmed that one suspect has been shot. The investigation is ongoing. (Photo by Ethan Miller/Getty Images)Photo by: Ethan Miller Chilling images from active shooter scene on Las Vegas Strip LAS VEGAS, NV - OCTOBER 02: Police and rescue personnel gather at the intersection of Las Vegas Boulevard and Tropicana Ave. after a mass shooting at a country music festival nearby on October 2, 2017 in Las Vegas, Nevada. A gunman has opened fire on a music festival in Las Vegas, leaving at least 50 people dead and more than 200 injured. Police have confirmed that one suspect, Stephen Paddock, has been shot and killed. The investigation is ongoing. (Photo by Ethan Miller/Getty Images)Photo by: Ethan Miller Chilling images from active shooter scene on Las Vegas Strip LAS VEGAS, NV - OCTOBER 01: People scramble for shelter at the Route 91 Harvest country music festival after apparent gun fire was heard on October 1, 2017 in Las Vegas, Nevada. A gunman has opened fire on a music festival in Las Vegas, leaving at least 20 people dead and more than 100 injured. Police have confirmed that one suspect has been shot. The investigation is ongoing. (Photo by David Becker/Getty Images)Photo by: David Becker Chilling images from active shooter scene on Las Vegas Strip LAS VEGAS, NV - OCTOBER 01: A man stands outside the the Route 91 Harvest country music festival grounds after an active shooter was reported on October 1, 2017 in Las Vegas, Nevada. A gunman has opened fire on a music festival in Las Vegas, leaving at least 2 people dead. Police have confirmed that one suspect has been shot. The investigation is ongoing. (Photo by David Becker/Getty Images)Photo by: David Becker Chilling images from active shooter scene on Las Vegas Strip LAS VEGAS, NV - OCTOBER 02: A cowboy hat lays in the street after shots were fired near a country music festival on October 1, 2017 in Las Vegas, Nevada. A gunman has opened fire on a music festival in Las Vegas, leaving at least 20 people dead and more than 100 injured. Police have confirmed that one suspect has been shot. The investigation is ongoing. (Photo by David Becker/Getty Images)Photo by: David Becker Chilling images from active shooter scene on Las Vegas Strip LAS VEGAS, NV - OCTOBER 02: Police officers stand by as medical personnel tend to a person on Tropicana Ave. near Las Vegas Boulevard after a mass shooting at a country music festival nearby on October 2, 2017 in Las Vegas, Nevada .A gunman has opened fire on a music festival in Las Vegas, leaving over 20 people dead. Police have confirmed that one suspect has been shot. The investigation is ongoing. (Photo by Ethan Miller/Getty Images)Photo by: Ethan Miller Chilling images from active shooter scene on Las Vegas Strip LAS VEGAS, NV - OCTOBER 01: A person takes cover at the Route 91 Harvest country music festival after apparent gun fire was heard on October 1, 2017 in Las Vegas, Nevada. There are reports of an active shooter around the Mandalay Bay Resort and Casino. (Photo by David Becker/Getty Images)Photo by: David Becker Chilling images from active shooter scene on Las Vegas Strip LAS VEGAS, NV - OCTOBER 01: People run for cover at the Route 91 Harvest country music festival after apparent gun fire was heard on October 1, 2017 in Las Vegas, Nevada. There are reports of an active shooter around the Mandalay Bay Resort and Casino. (Photo by David Becker/Getty Images)Photo by: David Becker Chilling images from active shooter scene on Las Vegas Strip LAS VEGAS, NV - OCTOBER 02: A body appears to lie under a sheet as police and rescue personnel gather at the intersection of Las Vegas Boulevard and Tropicana Ave after a shooting at a country music festival on October 2, 2017 in Las Vegas, Nevada. A gunman has opened fire on a music festival in Las Vegas, leaving at least 2 people dead. Police have confirmed that one suspect has been shot. The investigation is ongoing. (Photo by Ethan Miller/Getty Images)Photo by: Ethan Miller Chilling images from active shooter scene on Las Vegas Strip LAS VEGAS, NV - OCTOBER 01: (EDITORS NOTE: Image contains graphic content.) A person lies on the ground at the Route 91 Harvest country music festival after apparent gun fire was heard on October 1, 2017 in Las Vegas, Nevada. There are reports of an active shooter around the Mandalay Bay Resort and Casino. (Photo by David Becker/Getty Images)Photo by: David Becker Chilling images from active shooter scene on Las Vegas Strip LAS VEGAS, NV - OCTOBER 01: A man in a wheelchair is taken away from the Route 91 Harvest country music festival after apparent gun fire was heard on October 1, 2017 in Las Vegas, Nevada. There are reports of an active shooter around the Mandalay Bay Resort and Casino. (Photo by David Becker/Getty Images)Photo by: David Becker Chilling images from active shooter scene on Las Vegas Strip LAS VEGAS, NV - OCTOBER 01: A man stands outside the the Route 91 Harvest country music festival grounds after an active shooter was reported on October 1, 2017 in Las Vegas, Nevada. A gunman has opened fire on a music festival in Las Vegas, leaving at least 2 people dead. Police have confirmed that one suspect has been shot. The investigation is ongoing. (Photo by David Becker/Getty Images)Photo by: David Becker Chilling images from active shooter scene on Las Vegas Strip LAS VEGAS, NV - OCTOBER 02: An ambulance leaves the intersection of Las Vegas Boulevard and Tropicana Ave. after a mass shooting at a country music festival nearby on October 2, 2017 in Las Vegas, Nevada. A gunman has opened fire on a music festival in Las Vegas, leaving at least 20 people dead and more than 100 injured. Police have confirmed that one suspect has been shot. The investigation is ongoing. (Photo by Ethan Miller/Getty Images)Photo by: Ethan Miller Chilling images from active shooter scene on Las Vegas Strip LAS VEGAS, NV - OCTOBER 01 People run from the Route 91 Harvest country music festival after apparent gun fire was heard on October 1, 2017 in Las Vegas, Nevada. There are reports of an active shooter around the Mandalay Bay Resort and Casino. (Photo by David Becker/Getty Images)Photo by: David Becker Chilling images from active shooter scene on Las Vegas Strip LAS VEGAS, NV - OCTOBER 01 People run from the Route 91 Harvest country music festival after apparent gun fire was heard on October 1, 2017 in Las Vegas, Nevada. There are reports of an active shooter around the Mandalay Bay Resort and Casino. (Photo by David Becker/Getty Images)Photo by: David Becker Chilling images from active shooter scene on Las Vegas Strip LAS VEGAS, NV - OCTOBER 01: People flee the Route 91 Harvest country music festival grounds after a active shooter was reported on October 1, 2017 in Las Vegas, Nevada. A gunman has opened fire on a music festival in Las Vegas, leaving at least 2 people dead. Police have confirmed that one suspect has been shot. The investigation is ongoing. (Photo by David Becker/Getty Images)Photo by: David Becker Chilling images from active shooter scene on Las Vegas Strip LAS VEGAS, NV - OCTOBER 01: People take cover at the Route 91 Harvest country music festival after apparent gun fire was heard on October 1, 2017 in Las Vegas, Nevada. There are reports of an active shooter around the Mandalay Bay Resort and Casino. (Photo by David Becker/Getty Images)Photo by: David Becker Chilling images from active shooter scene on Las Vegas Strip LAS VEGAS, NV - OCTOBER 01: Las Vegas police stand guard along the streets outside the Route 91 Harvest Country music festival groundss of the Route 91 Harvest on October 1, 2017 in Las Vegas, Nevada. There are reports of an active shooter around the Mandalay Bay Resort and Casino. (Photo by David Becker/Getty Images)Photo by: David Becker