So he believed Christ had risen from the dead, but some body else was pretending to be Him?
He doubted the man before him was Jesus.
But let’s not get away from the topic of whether this shroud face is Jesus or not. The shroud has never been a big thing to me. Even when Jesus was walking the earth people did not believe He was who He said He was. Some seem to think a shroud will cinch it with non-believers. I’m not one of them.