LAS VEGAS, NV - OCTOBER 8: Mourners hold their candles in the air during a moment of silence during a vigil to mark one week since the mass shooting at the Route 91 Harvest country music festival, on the corner of Sahara Avenue and Las Vegas Boulevard at the north end of the Las Vegas Strip, on October 8, 2017 in Las Vegas, Nevada. On October 1, Stephen Paddock killed 58 people and injured more than 450 after he opened fire on a large crowd at the Route 91 Harvest country music festival. The massacre is one of the deadliest mass shooting events in U.S. history. (Photo by Drew Angerer/Getty Images)