But what are we to make of the fact that the only line that supports this - "Michael Corleone says hello" - is supposedly ad-libbed.
NOT TRUE, it's not the only line that supports it.
MICHAEL
Alive -- PENTANGELI is alive. How'd they get their hands on him?
TOM
ROTH. He engineered it MICHAEL. Frankie went to make a deal with the Rosato Brothers -- and they tried to kill him. Our people with the New York detectives said he was half dead, scared stiff, and calling out loud that you'd turned on him. They'd already had him on possession, bookmaking, murder 1, and a lot more
