On January 15, 1947, Elizabeth Short, a 22-year-old woman, was found brutally murdered in a vacant lot in Los Angeles. The case became infamous due to the gruesome nature of the crime and the lack of leads or arrests.
The investigation that followed was one of the most extensive in LA history, with over 150 detectives working on the case. Despite this, no one has ever been charged with Short's murder.
On December 26, 1996, six-year-old beauty pageant participant JonBenet Ramsey was found dead in her family's home in Boulder, Colorado. The crime scene revealed a shocking discovery: the young girl had been murdered and left with a ransom note demanding $118,000.
Despite an extensive investigation and numerous suspects, no one has ever been charged or convicted of the murder. The case remains one of the most infamous unsolved murders in American history.
Herman Webster Mudgett, better known as H.H. Holmes, was an American serial killer who operated a 'murder hotel' during the 1893 World's Columbian Exposition in Chicago.
Mudgett's crimes were particularly heinous, with estimates suggesting that he murdered between 27 and 200 people. His methods included suffocation, poisoning, and dismemberment.