Well let's hope the book is marketed telling the truth
If you attempt to make money saying you have absolute proof someone is guilty you would be in very serious trouble and no publisher would release a book on such a serious subject based on a theory claiming to be a fact
I suggest that would be the reason the book might NEVER be published
He said this in March Jackie, Before anyone asks, my book is done, its with the publisher and legals now. Still no date for publication, nothing more to say or add at present. So it looks like the legal bit is sorted?