At least 58 people were killed and more than 515 were injured Sunday night in Las Vegas in the deadliest shooting in modern US history.
A gunman opened fire from the 32nd floor of the Mandalay Bay Resort and Casino, aiming into a tightly packed crowd of thousands below who were attending a country music festival.
The shooter, armed with what appeared to be at least one automatic weapon, used the elevated vantage point to fire into the crowds across the Las Vegas Strip at the Route 91 Harvest festival, where Jason Aldean was onstage.
Officers identified the shooter as Stephen Paddock, a 64-year-old man from Nevada. They believe he was the only attacker, and that he killed himself 
before they arrived.
Police completed a search of Paddock’s hotel room and his home in Mesquite, Nevada, which is around 80 miles from Las Vegas. Las Vegas Metropolitan Police Department sheriff Joseph Lombardo said officers recovered large amounts of evidence, including at least 10 rifles from the hotel room. A law enforcement official told The New York Times later on Monday that authorities had recovered 19 rifles from Paddock’s room. Police also recovered weapons and ammunition after they searched his Mesquite home on Monday.
Soon after the shooting, which began at 10:08 p.m. PDT, a SWAT team stormed the building, forced their way into his hotel room, and found the gunman already dead.
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“U.S. flags on the grounds of the Washington Monument are lowered to half-staff, on October 2, 2017 in Washington, DC. President Donald Trump ordered the flags on all federal buildings to fly at half-staff following the mass shooting that left more than 50 dead in Las Vegas.”