I have not really been following this story since I don't know anything about Jimmy Saville but yesterday I had lunch with a Scottish friend from Hong Kong who is here for a few days. Out of the blue he revealed his eye popping take on the story. He is quite certain that Jimmy Saville was involved in a gigantic scheme to procure children for sex and human sacrifice. He said the Rothchilds, Zionists, the various European royal families and other assorted powerful personages belonged to a cult that believed that ritual sex and murder of young children bestowed on them the means to stay powerful and that Jimmy Saville was their cheif procurer of victims. I never knew this guy to be a tin foil hat type but now I am quite sure he is looney.
Delusional thinking is quite common among the mentally ill. Did you ask him logical questions about his knowledge of these matters or did you simply humour him as best you could and changed the subject?
Quite sad when it happens to folk we know but medical intervention can restore matters although several on this forum are patently beyond help.