Jack the Ripper was anl unidentified serial killer who predominantly targeted female prostitutes living and working in the ghetto of the East End of London. Since the murders were never solved, Jack the Ripper became infamous folklore in England. The murders were so cleverly done that the authorities were not even able to ascertain the killer's gender.
Billy the Kid was a gunfighter of the American Old West whose notoriety grew when he escaped from jail after killing two sheriff's deputies. He remains one of the most notorious personalities of the American Old West, whose life has been often dramatized in popular culture. His story has inspired over 50 films, including Billy the Kid, and The Outlaw.
Albert Fish was an American cannibal, child rapist, and serial killer. Fish confessed to three murders out of the five murders for which he was suspected. However, he claimed to have victimized about 100 people and boasted of having children in every state. His crimes and the subsequent execution by electric chair were dramatized in the film The Gray Man.
Mary Ann Cotton was an English serial killer who was convicted for the murder of her stepson. Cotton is believed to have killed 11 of her children and three of her husbands for their insurance policies. Mary Ann Cotton was sentenced to death and was executed by hanging.
Amelia Dyer was an English serial killer who killed infants over a 30-year period. She exercised the practice of baby farming and murdered children after taking them under her care. Amelia Dyer's killings inspired a murder ballad. Her case also led to stricter laws for child protection and adoption in the UK.
Not many suspected physician John Bodkin Adams of being a serial killer till it was revealed that his name had appeared in the wills of at least 132 of his patients who had died, while 163 died in coma. Though never convicted of the killings, he faced punishment for forgery.
John Christie was a British serial killer who was active during the 1940s and early-1950s. He killed at least eight people and was sentenced to death for the murder of his wife Ethel. The killings were dramatized in the 1971 film 10 Rillington Place, in which Christie was played by Richard Attenborough. Christie's murders also inspired other works of art.
Henri Désiré Landru was a French serial killer who killed at least seven women between 1915 and 1919. Nicknamed the Bluebeard of Gambais, Landru also murdered at least three women and a man between 1914 and 1915 at a house he rented in the town of Vernouillet. Landru was arrested in 1919 and was executed by guillotine in 1922.