Manage episode 303210521 series 2551099
Hallways that lead to nowhere, soundproof rooms with trap doors and chutes that drop into vats of acid. This is what some unexpecting guests encountered when checking into H.H. Holmes Chicago hotel in the 1890s. Listen to the story of how a man started out as a grave robber, turned into a con artist, and eventually became one of the most deranged serial killers in America's history.