Giulia Tofana was the daughter of Thofania d’Adamo. Thofania was executed in July of 1633 for murdering her husband. Giulia spent a lot of time with apothecaries and learned how to make her own poison...

Sylvia Likens was born to fairly poor carnival workers. Her sister, Jenny, had polio and was left with a limp. Sylvia Likens’s mother was arrested for shoplifting in July of 1965. That left their father...