My guest this week is John Oller, author of the new book "Gangster Hunters: How Hoover's G-men Vanquished America's Deadliest Public Enemies". He walks us through the evolution of J. Edgar Hoover's Bureau in the early 1930s, highlighting some of the unsung federal agents that battled America's Depression Era bank-robbing outlaws and the pivotal crimes that helped shape the country's most storied law enforcement organization.

The author's website: https://www.johnollernyc.com/

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