imageStephen Jones writes regarding the Vatican exhibition of what some believe are the bones of St. Peter, the Apostle:

There is no way to confirm that these are the Apostle Peter’s bones, but they probably are. However, as per the Vatican’s duplicitous policy of refusing to confirm or deny that any Catholic relic is authentic (including the Shroud of Turin), "No pope has ever stated categorically that the bones belonged to Saint Peter":

Definition: Oxford Dictionaries