This dude would forever be known as “America’s 1st Serial Killer”, but is probably even more famous for his “Murder Castle”: a 3 story hotel he built from the ground up, filled with kill rooms, gas chambers, dissecting tables, a death chute, and a body-sized furnace. He would confess to 27 murders, but was suspected of more than 200. He is the OG of serial killers - This is the story of H.H. Holmes.

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