Exactly what Clinton did.
I have no doubt that they'll start shredding everything from lunch-lists to hard drives starting first thing on Wednesday morning, so we may never know the extent of illegality and corruption, but at least they'll be out of "public service" for a while.
He also needs to fire the DNI, and to tell David Petraeus that based on his statements concerning Benghazi on September 14th, that he is either incompetent or complicit in the cover-up, but that either way he expects his resignation effective immediately.