H.H. Holmes

H.H. Holmes was a notorious American serial killer active in the late 19th and early 20th centuries. He's infamous for constructing a elaborate "Murder Castle" in Chicago, featuring trapdoors, secret passages, and soundproof rooms, where he lured and murdered dozens of victims during the 1893 World's Columbian Exposition. Holmes often used deception to gain trust before killing. His crimes garnered widespread horror and contributed to his reputation as one of America's first documented serial killers. His life and deeds remain a haunting part of true crime history.