Police have released body camera footage of officers finding a wounded security guard on the same floor of a Las Vegas hotel where a gunman opened fire on a country music festival.

Video released Wednesday also includes footage of an officer entering the music festival amid gunfire and video from an officer arriving on the 32nd floor of Mandalay Bay casino-resort where Stephen Paddock was barricaded in his room.

Much of the video on the 32nd floor is obstructed by an officer's arm in front of a camera. However, security guard Jesus Campos can be heard telling police the shots came from Paddock's room.

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It's unclear if Paddock was still alive at that point. No gunfire can be heard in the video.

Paddock killed 58 people and wounded hundreds of other in the deadliest mass shooting in modern U.S. history.

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