to know!

But I was wondering the same thing.

What he needs is for someone to come out with the first expose book about the matter. Publishers do legal checks as a matter of routine when libel could be a risk. They would do the hard work of clearing the legal niceties for him, and then he could focus on getting the rights and start filming.

Of forthcoming productions on his website.

He's either abandoned the project, or it's in some kind of development hell.