Check out the trailer for this "unauthorized" look in to the life of Roman Polanski. It seems to cover Polanski from childhood on, but the trailer is all over the palce. I've actually seen a few Damian Chapa films (so I don't hold out much hope for this). But I gotta admit, it's pretty audacious.
http://youtube.com/watch?v=rgmxp4FFKjY