Fireside with the Underboss - "Gaspipe ordered Bobby Boriello to be killed outside his home"

Sammy gives a detailed history of who exactly Bobby Boriello was and how he became to be John Gotti's #1 body guard. Later on, when Sammy and John were in prison together, they get word that Bobby Boriello was killed outside of his home and they need to know who did it.