The people who knew about what was going on and said/did nothing to stop it, and the people who attempted to cover up the atrocities done, are accomplices before and/or after the fact, and should be punished by law accordingly, as in the case of murders.
The pig sty of the BBC, as exposed in Operation Yewtree etc., should have been cleansed of its verminous tacit or willing hierarchy long ago. Who pays their salaries?