Matthew 26:15
And said "What are you willing to give me, if I betray Jesus to you?" The Priests 'weighed him out thirty pieces of silver' as payment.
Mark 14:10-11
After this, Judas Iscariot, one of the Twelve, went to the Chief Priests, to betray Jesus to them.
Luke 22:3-6
Now Satan took possession of Judas, who was known as Iscariot, and who belonged to the Twelve;
John 13:2
The Devil had already put the thought of betraying Jesus into the mind of Judas Iscariot, the son of Simon;
John 13:27-30
And it was then, after he had received it, that Satan took possession of him. So Jesus said to him: "Do at once what you are going to do."