Deborah King says that Oxford will not be prosecuting recently retired Oxford University Professor Dirk Obink, who was arrested after Oxford papyri he had had exclusive access to turned up in an American private collection. So it looks like there will be no full and open investigation. I have heard some shady things about how Oxford and Cambridge interact with state power in the UK.
Parts of Greek and Roman Studies are deeply intertwined with the art market and all the lying and cheating and theft-for-hire that goes on there.