Christine and Lea Papin were responsible for one of the most heinous murders in French history on February 2, 1933. They disfigured their victims by tearing out their eyes and mutilating their genitals. Their victims were Léonie and Geneviève Lancelin, the mother and daughter of the wealthy family who employed them. But what drove them—madness, bloodlust, or class warfare?

Source Materials:

https://allthatsinteresting.com/papin-sisters

https://www.history101.com/papin-sisters/

https://www.ranker.com/list/papin-sisters/melissa-sartore