Things coming into focus. I am sure that Libby would sign like a canary in prison too. They couldn't allow it to happen. Remember the "Shawshank Redemption" when that one prisoner had information on the hero's innocence? Only Libby has enough information to put them all away. Talking is one of the best ways to kill time in prison. Only Libby wouldn't talk he would...SING do re me fa so la ti DO! Face it its a MAFIA. nothing more nothing less.