October 1 marks the fifth anniversary of the deadly mass shooting in Las Vegas, Nevada that left 58 people dead and more than 800 injured after a man opened fire on a concert. Stephen Paddock opened fire into a crowd of 22,000 country music fans from a hotel room at the the Mandalay Bay casino hotel in Las Vegas in 2017 and later took his own life before police could arrest him. Five years on from the deadliest mass shooting in modern U.S. history, many believe there are still questions to be answered about the shooter's motive and the police...