Mark 14:43
And immediately, while he was yet speaking, Judas, one of the twelve, came up, and a great multitude with him, with swords and staves, from the chief priests, and scribes, and elders.
Acts 1:16
Men and brethren, it must needs be that this scripture should be fulfilled, which the Holy Ghost delivered before by the mouth of David concerning Judas, who was the conductor of those who seized on Jesus.
Matthew 26:47-56
And while he was yet speaking, behold, Judas one of the twelve came, and with him a great multitude with swords and staves, from the chief priests and elders of the people.
Luke 22:47-53
And while he was yet speaking, behold a multitude, and he who was called Judas, one of the twelve, went before them, and approached Jesus to kiss him.
John 18:3-11
Then Judas having taken a band of soldiers, and the inferior officers of the chief priests and Pharisees, cometh thither with lanterns and torches and arms.