John 13:21-25

When Jesus had thus said, he was troubled in the spirit, and testified, and said, Verily, verily, I say unto you, that one of you shall betray me. The disciples looked one on another, doubting of whom he spake. There was at the table reclining in Jesus’ bosom one of his disciples, whom Jesus loved. Simon Peter therefore beckoneth to him, and saith unto him, Tell us who it is of whom he speaketh. He leaning back, as he was, on Jesus’ breast saith unto him, Lord, who is it?