1,317 total votes
Delfina and María de Jesús González

Delfina and María de Jesús González

Delfina and María de Jesús González were two sisters from the north-central Mexican state of Guanajuato. From the 1950s until the mid-1960s, the sisters ran "Rancho El Ángel"', the locus of their largescale prostitution ring and the site of at least ninety-one murders. Guinness World Records called them the "most prolific murder partnership".

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