AUDIOBOOK: Mario Puzo - Omerta

Another book from author of The Godfather.
When an important Mafia boss is assassinated, no one knew anything. Omerta, the Mafia code of silence is at work. No information is to be found, not from corrupt banks, rival gangs, or even from the courts. However, the nephew of the dead man and the head of the FBI are determined to trackdown the murderers. So determined, they join forces to begin their own investigation. After all, in the Mafia world, everyone has a price.