On January 15, 1947, Elizabeth Short, a 22-year-old woman, was found brutally murdered in a vacant lot in Los Angeles. The crime scene was gruesome, with her body mutilated and cut into a distinctive shape resembling a black dahlia flower. Despite an extensive investigation, the killer was never caught.
The case became notorious due to the extreme brutality of the murder and the lack of leads or suspects. The police received over 10,000 tips and conducted numerous interviews, but no one was ever charged with the crime.
On December 26, 1996, six-year-old beauty pageant participant JonBenet Ramsey was found murdered in her family's home in Boulder, Colorado. The crime scene was discovered by the child's parents, who had been out for a walk.
The investigation that followed was one of the most extensive and publicized in American history, with over 1,000 tips and numerous suspects interviewed. Despite this, no one has ever been charged or convicted of the murder.
Herman Webster Mudgett, better known as H.H. Holmes, was a notorious American serial killer who operated during the late 19th century. He is believed to have murdered between 27 and 200 people, mostly women and children.
Holmes' methods were particularly gruesome, involving torture, dismemberment, and even cremation of his victims. His crimes were only discovered after he was arrested for a different crime in 1894.