Mark 14:10, 11, 33
Mark 14:10 NIV
Then Judas Iscariot, one of the Twelve, went to the chief priests to betray Jesus to them.
Mark 14:11 NIV
They were delighted to hear this and promised to give him money. So he watched for an opportunity to hand him over.
Mark 14:33 NIV
He took Peter, James and John along with him, and he began to be deeply distressed and troubled.