It doesn't.  They are letting them play their hand to the end in order to demonstrate how much cheating is required for them to even have a chance, let alone actually win.  Remember all these a-holes probably had confidential pardons, aka blanket immunity, at the end of Obama Admin.  They had to let them recreate their crimes for legitimate prosecution.  And this is what you are witnessing...  the cover-up of the cover-up.