You could be right about that. Then again PM has to have money coming out his ears and to rat out Fat Jack he'd have to cop a plea bargain which would certainly mean jail time for him. I'm not too sure he'd do that unless the feds absolutely have him nailed to the wall which would be nice if they did.
Remember ABCSAM though, it was Murtha who dropped the dime on other congressmen to save his own hide.
Murtha and Magliochetti go way back, and my guess is they both would turn on each other if it meant self-preservation. No honor among thieves and all of that.