13. Sammy Gravano
Net Worth: $2 Million
Sammy Gravano is a former underboss of the Gambino crime family and is mostly known as the man who helped bring down John Gotti. Gravano agreed to testify against Gotti and other mobsters in a deal in which he confessed to involvement in 19 murders.
As of 2019, Sammy Gravano’s net worth is $2 Million dollars.
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