I've read a book a few years ago about a children's home in Jersey, where surprise surprise he was one of the regular visitors, from the top of the chain through they were basically all paedophiles who ran the home and ended up being jailed. But, That nasty creature Savile got away scot free because no one believed he could do such things, the end to his name should sum him up, saVILE.
It cannot have been an easy role for Coogan to play, but it appears he has him down to a t. Well done Steve.