Las Vegas shooting gunman's motive remains a mystery

This October 2017 photo released by the Las Vegas Metropolitan Police Department Force Investigation Team Report shows the view of Las Vegas Village from Mandalay Bay's room 32-135, part of the evidence images included on a preliminary report showing the interior of Stephen Paddock's 32nd floor room of the Mandalay Bay hotel in Las Vegas. Paddock began shooting into the crowd attending the Route 91 Music Festival from his hotel room into a crowd of 22,000 people attending the Route 91 Harvest Festival music below on Oct. 1, 2017. [Photo: Las Vegas Metropolitan Police Department via AP]