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Elizabeth Short was found murdered and severed at the waist in Los Angeles in 1947. Despite numerous suspects, the case remains unsolved.

In 1932, Charles Lindbergh Jr., the son of aviator Charles Lindbergh, was kidnapped and later found dead. Bruno Hauptmann was convicted of the crime.

An unidentified serial killer who operated in the Whitechapel district of London in 1888, famous for gruesome murders and taunting letters sent to police.

President Abraham Lincoln was assassinated by John Wilkes Booth at Ford's Theatre in 1865, leading to a manhunt and Booth's death.

A serial killer who operated in Northern California in the late 1960s and early 1970s, known for cryptic letters sent to newspapers.

A group of robbers in the UK intercepted and robbed a Royal Mail train, escaping with a large sum of money. Several were later caught and convicted.

Famed aviator Amelia Earhart and her navigator Fred Noonan disappeared over the Pacific Ocean in 1937 while attempting a circumnavigational flight.

Gary Ridgway pleaded guilty to 48 murders of women in Washington state during the 1980s and 1990s, making him one of America's most prolific serial killers.

A serial killer active in New Orleans from May 1918 to October 1919, who broke into homes to kill his victims with an ax; never identified.

In 1969, followers of Charles Manson committed a series of nine murders at four locations. Manson and several members were convicted.

Ian Brady and Myra Hindley murdered five children in England between 1963 and 1965. They were caught and convicted in 1966.

A series of murders between 1968 and 1985 in Italy. Multiple suspects were tried, but the true identity of the killer remains unknown.

A family of five and a maid were murdered in 1922 on a small farm in Germany. The case remains unsolved despite extensive investigations.

In 1929, seven members of Chicago's North Side Gang were murdered, likely by Al Capone's mob, although the case officially remains unsolved.

In 1982, seven people in the Chicago area died after taking Tylenol capsules laced with cyanide. The case remains unsolved and changed packaging industry standards.

O.J. Simpson was tried for the murders of Nicole Brown Simpson and Ron Goldman in 1994. He was acquitted in a highly publicized trial.

In 1945, a fire destroyed the Sodder family home. Five of the nine Sodder children were never found, leading to speculation they may have been kidnapped.

In 1981, four people were brutally murdered in Keddie, California. No arrests were made and the case remains one of California's notorious unsolved crimes.

Between 1979 and 1981, 28 African American children, teens, and adults were murdered in Atlanta. Wayne Williams was convicted for two of the adult murders.