I think Drich was trying to explain why it could have happened, not proving that it must have happened. It could have been the new corpses that were raised and went to their families, who saw that they had been raised.
You also said it was likely that someone else was impersonating Matthew and made it up. Why do you think that?
You also said it was likely that someone else was impersonating Matthew and made it up. Why do you think that?