From long-whispered conspiracies to chilling revelations, the new season takes viewers on a pulse-pounding journey through time as Gates reexamines legends we thought we knew. From a shocking theory behind the fate of Lincoln assassin John Wilkes Booth and the elusive origin of the terrifying Anthrax attacks that paralyzed America, to bloodcurdling evidence behind the mysterious death of the real-life Dracula, EXPEDITION FILES shares fresh research and provocative new theories that challenge the narrative of these legendary tales.