A cowardly Las Vegas cop who admitted that he froze in a hallway while responding to the deadliest mass shooting in modern US history has been fired, department officials said. Officer Cordell Hendrex — who was caught on body camera footage waiting in a hallway one floor below a mass shooter at the Mandalay Bay hotel for nearly five minutes on Oct. 1, 2007 – was fired March 20, a Metropolitan Police Department spokesman told the Las Vegas Review-Journal. Department officials declined further comment on Hendrex’s employment, but a police union president confirmed to the newspaper that the nearly 10-year...