Then the Jewish leaders took Jesus from Caiaphas to the palace of the Roman governor. By now it was early morning, and to avoid ceremonial uncleanness they did not enter the palace, because they wanted to be able to eat the Passover.
References for John 18:28
So Pilate came out to them and asked, “What charges are you bringing against this man?”
“If he were not a criminal,” they replied, “we would not have handed him over to you.”