Cross reference
Matthew 26:16
16 And from that time he was watching for a chance to give him into their hands.
Mark 14:11
11 And hearing what he said, they were glad, and gave him their word to make him a payment of money. And he took thought how he might best give him up to them.
Luke 22:6
6 And he made an agreement with them to give him up to them, if he got a chance, when the people were not present.