Prosecutors' best guess, according to Dan Moldea, was always Sally Bugs. Salvatore Briguglio happened to him.
Federal investigators speculate that two or three coconspirators may have witnessed Briguglio shoot and kill Hoffa. Two of them have been identified as Gabriel Briguglio, Sal’s brother; and Thomas Andretta, another Local 560 business agent. A fourth possible conspirator was Stephen Andretta, Thomas’s brother, who allegedly served as Provenzano’s alibi back in New Jersey.
Briguglio was murdered in 1978. Read the rest