<Tr> <Th> Non-fatal injuries </Th> <Td> 546 </Td> </Tr> <Tr> <Th> Perpetrator </Th> <Td> Stephen Paddock </Td> </Tr> <P> On the night of October 1, 2017, a gunman opened fire on a crowd of concertgoers at the Route 91 Harvest music festival on the Las Vegas Strip in Nevada, leaving 58 people dead and 546 injured . Between 10: 05 and 10: 15 p.m. PDT, 64 - year - old Stephen Paddock of Mesquite, Nevada, fired more than 1,100 rounds from his suite on the 32nd floor of the nearby Mandalay Bay hotel . About an hour after Paddock fired his last shot into the crowd of 22,000, he was found dead in his room from a self - inflicted gunshot wound . His motive is unknown . </P> <P> The incident is the deadliest mass shooting committed by an individual in the United States . The shooting reignited the debate about gun laws in the U.S., with attention focused on bump fire stocks, which Paddock used to allow his semi-automatic rifles to fire at a rate similar to that of a fully automatic weapon . </P>

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