Several things are important here:

1. This is the established news, not far-out sources
2. This establishes that it isn't just about sex with children, it is about horrific satanic torture and murder of children
3. There is nobody more high profile than a prime minister.
4. There is a group of accusers who all say the same thing, not a single voice. This is why the story has legs.

I am guessing that authorities in Britain and elsewhere in the world are coordinating with our good guys. The timing is designed to get people used to the idea that there are satanic psychopaths in very high places in government. They start out with this guy because he is:

• Conservative - thus won't send the intolerant left into freakout mode
• Dead - so people will not get as upset.