John Joseph Gotti Jr. (1940-2002) was an American gangster and boss of the Gambino crime family in New York City. He organized the murder of Gambino boss Paul Castellano in December 1985 and took over the family shortly thereafter, becoming boss of what has been described as America's most powerful crime syndicate. https://en.wikipedia.org/wiki/John_Gotti
https://en.wikipedia.org/wiki/John_Gotti