Leonarda Cianciulli was an Italian woman who committed a series of murders in 1940, and used parts of her victims to make soaps and tea cakes.

Meet Olga Hepnarova, a serial killer who was also the last woman executed in Czechoslovakia.

Early Life Nannie Doss was born as Nancy Hazel on November 4th, 1905, in Blue Mountain, Alabama to Louisa and James Hazel. She had one brother and three sisters. Doss’s father would force her and her siblings to work on the family farm instead of sending them to school,

Meet Jane Toppan, also known as Jolly Jane, who was said to have committed 31 murders using her profession as a nurse.

Sophie Ursinus was a German serial killer who killed using poison. Her trial was significant because it resulted in creating a method of identifying arsenic poisoning.

LaLaurie's story is etched in Louisiana's history as a gruesome and tragic one. She was a socialite remembered for torturing and murdering her own slaves in the early 1800's.

Tillie Klimek tried to show the world that she had the ability to see into the future and predict the deaths of others, but in reality she was just a cold, calculating killer.