Tillie Klimek, the 'Black Widow' of Chicago

On Criminalia, hosts Holly Frey and Maria Trimarchi explroe the intersection of history and true crime. This season is all about lady poisoners. During the time that Chicago’s most visible criminal element was organized crime, Tillie Klimek was quietly becoming the city’s most prolific female serial killer. She allegedly killed between six and 20 people, all through arsenic poisoning.

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