In contrast, Matthew and Mark do not mention this aspect and instead convey that the disciples were deeply saddened and each individually asked, “Is it I, Lord?” Jesus answered them, “He that puts his hand with me in the dish, the same shall betray me.” Only in Matthew’s account does Judas later question Jesus, asking, “Is it I, Rabbi?” to which he received an affirmative response. John’s Gospel uniquely recounts how, at Peter’s prompting, he leaned on Jesus’ chest and asked who the betrayer was, receiving the answer, “It is he to whom I shall give a piece of bread when I have dipped it.” This part of the narrative is exclusive to John.
It is clear that the Hebrew accounts highlight varying aspects of this event: Hebrew Luke condenses the story to focus on the prediction of the betrayer and Christ's warning to him, as well as the disciples’ initial confusion and their discussions with one another. Hebrew Matthew and Mark address the later questioning of Jesus by the disciples, the murky indication of the betrayer, and Christ’s warning to Judas. It is reasonable to conclude that the revelation to John coincided with this moment. Judas attempted to present himself as brave by asking, “Is it I, Rabbi?” and received the quiet acknowledgment, “You have said it.” The other disciples likely did not hear this last reply, yet they understood the reference Jesus made when He mentioned, “he who dips with me in the dish,” in the broad sense of “one of the twelve” or “the one who betrays me.” Peter then gestures to John, prompting him to inquire of Jesus about the identity of the betrayer. Should this occur during that part of the Last Supper when Jesus was breaking bread and distributing it, it might be inferred that Jesus identified Judas with the response to John: “It is the one to whom I give this piece of bread after dipping it.” This was the moment when Jesus intended to serve Judas the bread. Judas, in his disturbed state and attempt to mask it, prematurely moved his hand toward the dish just as Jesus was placing His hand into the dish with the piece of bread meant for him.