Delfina and María de Jesús GonzálezSouth of the border, the González sisters ran a compound of terror. Exploiting young girls and their “customers”, no one was safe from the mass graves that would be discovered.Christine and Léa PapinThe Papin sisters grew up in turmoil but found their way into c comfortable home as live-in maids. Things turned when their surrogate mother figure began emulating their own harsh mother. One night an argument ended in a bloody massacre and spurred many intellectual works about the class struggle in France.