Luke 22:2-6, 47-48

And the chief priests and the scribes sought how they might kill Him, for they feared the people. Then Satan entered Judas, surnamed Iscariot, who was numbered among the twelve. So he went his way and conferred with the chief priests and captains, how he might betray Him to them. And they were glad, and agreed to give him money. So he promised and sought opportunity to betray Him to them in the absence of the multitude.

And while He was still speaking, behold, a multitude; and he who was called Judas, one of the twelve, went before them and drew near to Jesus to kiss Him. But Jesus said to him, “Judas, are you betraying the Son of Man with a kiss?”