Matthew 26:48-49
26:48 (Now the betrayer
had given them a sign, saying, “The one I kiss is the man.
Arrest him!”)
26:49 Immediately
he went up to Jesus and said, “Greetings, Rabbi,” and kissed him.
Luke 22:47-48
Betrayal and Arrest
22:47 While he was still speaking, suddenly a crowd appeared, and the man named Judas, one of the twelve, was leading them. He walked up to Jesus to kiss him.
22:48 But Jesus said to him, “Judas, would you betray the Son of Man with a kiss?”