Enter the "Murder Castle" in our latest, chilling, bite-sized episode.

H.H. Holmes is often described as America’s first serial killer, but that title barely captures the scale of his crimes. A charming conman and medical swindler, Holmes built a three-storey “Murder Castle” in Chicago during the 1893 World’s Fair — complete with secret passages, soundproofed rooms, and hidden furnaces.

In this episode of The A–Z of Psychopaths, Simon Ford explores Holmes’s chilling psychology. From pathological lying and manipulation to financial fraud, bigamy, and murder for profit, Holmes exhibited the hallmarks of a true psychopath decades before criminology had language for it.

Join Simon Ford as he uncovers how Holmes engineered a building — and a life — designed for deception and death.

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