Sammy the Bull
PER
Sammy the Bull
He became a driver for his father's best friend, Salvatore Gravano, then a high-ranking member of the Gambino family known as Sammy the Bull, and took Mr. Gravano to meetings with Teamsters union officials who were connected to the mob. In the second case, Mr. D'Angelo said, he shot a friend of his, James Gilbert, in 1992 or 1993.