Harry Houdini Bust, Richard Byrd Expedition, Japanese Secret Weapon, "NOW" Protest Flag, Lizzie Borden, Adlai Stevenson's Briefcase

Did the Japanese send weapons of mass destruction to the US mainland during World War II? Is a statue of illusionist Harry Houdini haunted? Does an old hatchet hold the key to one of the nation's most sensational unsolved murders?