By most accounts, Mafia associate and vineyardist Frank Borgia was last seen early in December 1951.
What happened to Frank Borgia?
Los Angeles, 1915: Jack Dragna and Sam Streva
Jack Dragna, the first boss of Los Angeles under Luciano's Commission, was convicted of extortion with ringleader Sam Streva, a gangster whose life story has been conflated with another man's.
Mafia Genealogy 