Local authorities said Tuesday they had recovered 47 firearms from three different locations belonging to the shooter behind a massacre at a Las Vegas music festival earlier this week.

Jill Snyder, special agent-in-charge of the San Francisco office of the Bureau of Alcohol, Tobacco, Firearms and Explosives, said at a press conference that the dozens of rifles, shotguns and pistols had been recovered from his hotel suite, his home in Mesquite, Nevada, and another undisclosed location, according to NBC News.

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Hundreds of people were injured when a gunman identified as Stephen Paddock opened fire from the window of a hotel room on a crowd attending a country music concert in the streets below.

Clark County Sheriff Joe Lombardo said that the amount of weapons showed that Paddock planned his attack extensively.

"The fact that he had the type of weaponry and the amount of weaponry in that [hotel] room — it was pre-planned extensively," Lombardo said. "I'm pretty sure he evaluated everything that he did in his actions."

Authorities confirmed that 58 people had been killed in the attack, which occurred while country singer Jason Aldean was playing. Previously, the death toll had been reported as 59, but Clark County's coroner confirmed Tuesday that that number included Paddock, who reportedly killed himself before police could apprehend him.

President Trump, alongside Vice President Mike Pence Michael (Mike) Richard PenceEx-Pence aide: Trump spent 45 minutes of task force meeting 'going off on Tucker Carlson' instead of talking coronavirus Trump asked Chamber of Commerce to reconsider Democratic endorsements: report Controversial CDC guidelines were written by HHS officials, not scientists: report MORE and their spouses, led a moment of silence for the victims Tuesday.

“We join together in sadness, shock and grief,” Trump said at the White House Tuesday morning. “It was an act of pure evil.”