Las Vegas shooting
Law enforcement officers stand guard at one of the entrance points to the concert venue, where one of worst mass shootings in the U.S. took place, in Las Vegas, Oct. 3, 2017. Getty Images

Authorities released body camera footage from the deadly Las Vegas shooting on Sunday which showed police officers trying to locate the source of the gunfire which killed 58 people and injured more than 500 others.

Speaking to reporters at a press briefing Tuesday evening, Undersheriff Kevin McMahill of the Las Vegas Metropolitan Police Department narrated the three-minute video which is a compilation of several scenes from that night.

In one body cam video, officers can be seen crouching behind a wall, facing Mandalay Bay after the initial barrage of bullets. "Get down, get down, get down!" yells an officer.

In another part of the compilation, officers are seen and heard yelling at civilians nearby to get down, gunshots and sirens can be heard in the distance.

“Go that way, get out of here! There are gunshots coming from over there,” another officer is heard yelling in the footage.

In a third video, the beginning of the footage is partially obscured by a yellow vest that an officer seems to be wearing. McMahill said the officer was shielding a woman.

"Stay down," a male voice can be heard saying.

"Is that a firecracker?" a female replies to which the man states: "No, it's gunshots. I have a vest on."

In the press conference, McMahill said police received the first call that shots had been fired at 10:08 p.m. local time Sunday night (1:08 a.m EDT Monday morning). The shots ended at 10:19 p.m. (1.19 a.m. EDT)

"I want you to think about that," McMahill said. "The first minute the police are aware of shots being fired is 10:08, and it stops at 10:19. That's a remarkable response by this police department."

Police also confirmed that the photos showing the interior of Paddock's suite at the Mandalay Bay hotel taken after the attack were authentic. They were obtained by the German publication Bild and were published by many news organizations on Tuesday.

At least 58 people were killed, in addition to the gunman, Stephen Paddock, and more than 500 others were injured in the massacre.

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