@LittleNicky
Mob murders still occur. Some are solved, some arent.
That you would propose to know that everyone against a rat would be solved is more the 'fantasyland'.
There is a reason that a high-profile government witness, post testifying, hasn't been hit for several decades. It would be instantly clear who did it and bring down a massive law enforcement crackdown. You can't kill witnesses in federal trials. Either you know the mobsters self-interest better than they do or that fact speaks for itself.
The calculus is different pre-trial or pre-indictment. But even that seems to have gone the direction toward less violence.
