High Quality Content by WIKIPEDIA articles! Bartholomew "Bobby" Boriello (March 31, 1944 - April 13, 1991) was a New York mobster who belonged to the Gambino crime family and served as boss John Gotti`s favorite bodyguard and chauffeur. A prominent hitman during the 1980s, Boriello participated in the 1990 murder of Gambino Soldier Louis DiBono.