Then Satan entered Judas’ heart to make him betray Jesus.
JN 13:2, LK 22:3
Judas left and went to speak with the chief priests and Temple police, asking them “How much are you willing to pay me if I turn Jesus over to you?” Delighted by this, the offered him 30 pieces of silver. He accepted their offer and began looking for a time to hand Jesus over to them when nobody was around.
MT 26:14-16, MK 14:10-11, LK 22:4-6