Sammy the Bull unleashed Part 1: At age 75, former mobster Salvatore Gravano starting new life in Arizona

Gravano, who was once the second in command of the Gambino Crime Family, committed 19 mob murders, and cooperated with the Feds in 1991, which helped send mob boss John Gotti to prison for life. FOX 10's John Hook sat down with Sammy 'the Bull,' in the first part of a two-part series on the infamous mobster.

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