Photos: Las Vegas music festival mass shooting Casinos on the Las Vegas strip show their support in the days following a mass shooting near Mandalay Bay. Oct. 3, 2017Photo by: Mark Saunders Photos: Las Vegas music festival mass shooting  Flowers were left on Las Vegas Blvd. near the scene of Sunday night's mass shooting, October 3, 2017 in Las Vegas, Nevada. The gunman, identified as Stephen Paddock, 64, of Mesquite, Nevada, allegedly opened fire from a room on the 32nd floor of the Mandalay Bay Resort and Casino on the music festival, leaving at least 58 people dead and over 500 injured. According to reports, Paddock killed himself at the scene. The massacre is one of the deadliest mass shooting events in U.S. history. (Photo by Drew Angerer/Getty Images)Photo by: Drew Angerer Photos: Las Vegas music festival mass shooting Outside UMC Medical Center, volunteers hand out food to the staff at the hospital in Las Vegas. Oct. 3, 2017Photo by: Steve Reusch Photos: Las Vegas music festival mass shooting A message of condolences for the victims of Sunday night's mass shooting is displayed on the marquee of the MGM Grand Hotel & Casino, October 3, 2017 in Las Vegas, Nevada. The gunman, identified as Stephen Paddock, 64, of Mesquite, Nevada, allegedly opened fire from a room on the 32nd floor of the Mandalay Bay Resort and Casino on the music festival, leaving at least 58 people dead and over 500 injured. According to reports, Paddock killed himself at the scene. The massacre is one of the deadliest mass shooting events in U.S. history. (Photo by Drew Angerer/Getty Images)Photo by: Drew Angerer Photos: Las Vegas music festival mass shooting #VegasStrong here at the Las Vegas sign. This woman giving hugs to people that really could use some love. Oct. 3, 2017Photo by: Mark Saunders Photos: Las Vegas music festival mass shooting LAS VEGAS, NV - OCTOBER 02: A Las Vegas Metropolitan Police 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, killing over 20 people. Police have confirmed that one suspect has been shot dead. The investigation is ongoing. (Photo by Ethan Miller/Getty Images)Photo by: Ethan Miller Photos: Las Vegas music festival mass shooting LAS VEGAS, NV - OCTOBER 02: Las Vegas police run by a banner on the fence at the Route 91 Harvest country music festival grounds after a active shooter was reported 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 David Becker/Getty Images)Photo by: David Becker Photos: Las Vegas music festival mass shooting 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 Photos: Las Vegas music festival mass shooting An injured person is tended to in the intersection of Tropicana Ave. and Las Vegas Boulevard after a mass shooting at a country music festival nearby on October 1, 2017 in Las Vegas, Nevada. Photo by: Ethan Miller Photos: Las Vegas music festival mass shooting 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 Photos: Las Vegas music festival mass shooting A Las Vegas Metropolitan Police Department detective talks to a woman in the intersection of Las Vegas Boulevard and Tropicana Ave. after a mass shooting at a country music festival nearby on October 1, 2017 in Las Vegas, Nevada. Photo by: Ethan Miller Photos: Las Vegas music festival mass shooting LAS VEGAS, NV - OCTOBER 01: A Las Vegas Metropolitan Police Department detective talks to a woman in the intersection of Las Vegas Boulevard and Tropicana Ave. 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 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 Photos: Las Vegas music festival mass shooting Mourners attend a candlelight vigil at the corner of Sahara Avenue and Las Vegas Boulevard for the victims of Sunday night's mass shooting, October 2, 2017 in Las Vegas, Nevada. Late Sunday night, a lone gunman killed more than 50 people and injured more than 500 people after he opened fire on a large crowd at the Route 91 Harvest Festival, a three-day country music festival. The massacre is one of the deadliest mass shooting events in U.S. history. (Photo by Drew Angerer/Getty Images)Photo by: Drew Angerer Photos: Las Vegas music festival mass shooting Law enforcement vehicles gather near one of the entrance points to the concert venue where Sunday night's mass shooting, October 3, 2017 in Las Vegas, Nevada. The gunman, identified as Stephen Paddock, 64, of Mesquite, Nevada, allegedly opened fire from a room on the 32nd floor of the Mandalay Bay Resort and Casino on the music festival, leaving at least 58 people dead and over 500 injured. According to reports, Paddock killed himself at the scene. The massacre is one of the deadliest mass shooting events in U.S. history. (Photo by Drew Angerer/Getty Images)Photo by: Drew Angerer Photos: Las Vegas music festival mass shooting Law enforcement officers stand guard at one of the entrance points to the concert venue where Sunday night's mass shooting, October 3, 2017 in Las Vegas, Nevada. The gunman, identified as Stephen Paddock, 64, of Mesquite, Nevada, allegedly opened fire from a room on the 32nd floor of the Mandalay Bay Resort and Casino on the music festival, leaving at least 58 people dead and over 500 injured. According to reports, Paddock killed himself at the scene. The massacre is one of the deadliest mass shooting events in U.S. history. (Photo by Drew Angerer/Getty Images)Photo by: Drew Angerer Photos: Las Vegas music festival mass shooting 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. Photo by: Ethan Miller Photos: Las Vegas music festival mass shooting Mourners attend a candlelight vigil at the corner of Sahara Avenue and Las Vegas Boulevard for the victims of Sunday night's mass shooting, October 2, 2017 in Las Vegas, Nevada. Late Sunday night, a lone gunman killed more than 50 people and injured more than 500 people after he opened fire on a large crowd at the Route 91 Harvest Festival, a three-day country music festival. The massacre is one of the deadliest mass shooting events in U.S. history. (Photo by Drew Angerer/Getty Images)Photo by: Drew Angerer Photos: Las Vegas music festival mass shooting 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 Photos: Las Vegas music festival mass shooting Mourners attend a candlelight vigil at the corner of Sahara Avenue and Las Vegas Boulevard for the victims of Sunday night's mass shooting, October 2, 2017 in Las Vegas, Nevada. Late Sunday night, a lone gunman killed more than 50 people and injured more than 500 people after he opened fire on a large crowd at the Route 91 Harvest Festival, a three-day country music festival. The massacre is one of the deadliest mass shooting events in U.S. history. (Photo by Drew Angerer/Getty Images)Photo by: Drew Angerer Photos: Las Vegas music festival mass shooting (2nd L-R) Las Vegas City Councilwoman Michele Fiore, Tiffany Tyler and the Rev. William McCurdy hold candles during a prayer vigil outside Las Vegas City Hall in response to Sunday's mass shooting on October 2, 2017 in Las Vegas, Nevada. A lone gunman opened fire on the Route 91 Harvest country music festival on October 1, leaving 59 dead and hundreds wounded. (Photo by Ethan Miller/Getty Images)Photo by: Ethan Miller