Full episode on part 5 which premiered on Sunday is showing live on the iajournal.com website.

You can watch it here: http://iajournal.com/inside-the-american-mob-rise-fall-of-gotti-episode-5/

There is also a story on their home page on John Gotti talking about steroids in baseball 15 years ago. You can read about that here: http://iajournal.com/john-gotti-warned-of-steroids-in-baseball-more-than-15-years-ago/