Detective Superintendent David Gray, from the Met's paedophile unit, said Savile must have thought about his sex offending "every minute of every waking day":
Much as I think Savile could turn up at a hospital and expect to be given a warm welcome, he went to a number of schools because children had written to him. His peak offending came with the peak of his success.
Jimmy Savile could have been prosecuted for offences against at least three victims while he was alive, two separate reports said today.
The allegations began with the ITV documentary Exposure. Here are some of the key points as the case unfolded.