11 Terrifying Female Serial Killers You've Never Heard Of

    They might be less common, but they're no less scary.

    1. Elizabeth Báthory

    2. Belle Gunness

    3. Amelia Dyer

    4. Mary Bell

    5. Delphine LaLaurie

    6. Jane Toppan

    7. Gwen Graham and Cathy Wood

    8. Genene Jones

    9. Júlia Fazekas and the Angel Makers of Nagyrév

    10. Aileen Wuornos

    11. Leonarda Cianciulli