John 13:21-30 (ESV)
Suffering
21: After saying these things, Jesus was troubled in his spirit, and testified, “Truly, truly, I say to you, one of you will betray me.”
22: The disciples looked at one another, uncertain of whom he spoke.
23: One of his disciples, whom Jesus loved, was reclining at table at Jesus’ side,
24: so Simon Peter motioned to him to ask Jesus of whom he was speaking.
Identification
25: So that disciple, leaning back against Jesus, said to him, “Lord, who is it?”
26: Jesus answered, “It is he to whom I will give this morsel of bread when I have dipped it.” So when he had dipped the morsel, he gave it to Judas, the son of Simon Iscariot.
27: Then after he had taken the morsel, Satan entered into him. Jesus said to him, “What you are going to do, do quickly.”
Confirmation
28: Now no one at the table knew why he said this to him.
29: Some thought, because Judas had the moneybag, Jesus was telling him, “Buy what we need for the feast,” or that he should give something to the poor.
30: So, after receiving the morsel of bread, he immediately went out. And it was night.”