It seems there's some chance the whole show is baloney:

https://datebook.sfchronicle.com/mo...of-the-godfather-dont-ask-its-writer/amp

Quote
I went into the interview as a fan of “The Offer,” then realized that every moment I found exciting about it was based on the idea that it was factually true, close to being true, or some version of some truth I hadn’t heard about. It didn’t occur to me that it was all made up.


"All of these men were good listeners; patient men."