Christopher Klein
Christopher Klein is the author of four books, including When the Irish Invaded Canada: The Incredible True Story of the Civil War Veterans Who Fought for Ireland’s Freedom and Strong Boy: The Life and Times of John L. Sullivan. His work has appeared in numerous publications, including The Boston Globe, The New York Times, and National Geographic Traveler. Follow Chris at @historyauthor.
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How the Mafia Infiltrated American Labor Unions
Through extortion, bribery and embezzlement, mobsters made labor racketeering a major source of income after Prohibition.
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