Sammy The Bull Gravano Was Originally With The Colombo Family Before Switching To The Gambino Family

Sammy The Bull Gravano was originally with the Colombo Crime Family before joining the Gambino's. Sammy would rise to the rank of the Underboss of the family before testifying against John Gotti and other organized crime figures. This resulted in Gotti spending the rest of his natural life in prison.

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