Photo detail

The Mandalay Bay pictured in this file photo. The shooter aimed at the crowd of 22,000 from a hotel room on the 32nd floor.

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Tease photo

Police Audio: 'Active shooter at Mandalay Bay... Many people down'

Radio communications from the Las Vegas Police Department as the mass shooting unfolded

Tease photo

At least 50 killed as gunman opens fire at Las Vegas concert

The Latest on the shooting in Las Vegas (all times local):