Using exclusive surveillance footage obtained from MGM Resorts, we pieced together the last days of Stephen Paddock, the Las Vegas gunman. He plays video poker, laughs with hotel staff and hauls bag after bag of weapons into his suite.
President Donald Trump is replacing national security adviser H.R. McMaster with the former U.N. Ambassador John Bolton, injecting a hawkish foreign policy voice into his administration ahead of key decisions on Iran and North Korea.