Fredericka Mandelbaum (Marm or Ma, if you're nasty) was the powerful ruler of a criminal empire. Based on pickpocketing, theft, bank robbery, and forgery, her organization raked it in at the end of the 1800s in New York City and beyond. Out of reach from the law thanks to payoffs and complicity, Mandelbaum got away with her crimes, even when the Pinkertons got involved. 

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