The peadophile rings try to ensnare the richest, most powerful and influential in all strata of society, the name of the game is blackmail. They then have politicians, police, judges and whoever they need in their pockets.
Why else would someone like Saville be allowed within a zillion miles of the royal family and remain protected for so long?
Why haven't there been hundreds more arrests?
Blackmail within the system, it's a house of cards.