Black Ops, Secret Societies and Cover-Ups *Marathon* | America's Book of Secrets

By HISTORY

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Go deep into some of America's most controversial mysteries as this full episode marathon explores covert military operations, one of the nation's most infamous organizations, and enduring theories surrounding hidden history. See more in this marathon from America's Book of Secrets. Stay up to date on all of your favorite The HISTORY Channel shows at history.com/schedule. #AmericasBookofSecrets Subscribe for more from America's Book of Secrets and other great The HISTORY Channel shows: http://histv.co/SubscribeHistoryYT Watch more America's Book of Secrets on YouTube in this playlist: https://www.youtube.com/playlist?list=PLob1mZcVWOahXrQrSF4qh4nXxElc6lo72 Check out exclusive The HISTORY Channel content: History Newsletter - https://histv.co/newsletter Website - https://histv.co/History Facebook - https://histv.co/Facebook Twitter - https://histv.co/Twitter HISTORY® is the leading destination for award-winning original series and specials that connect viewers with history in an

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