Mark 14:43
And immediately, as Jesus was still speaking, Judas, one of the twelve apostles came with a crowd who were carrying swords and clubs. [They had come] from the leading priests, the experts in the law of Moses and the [Jewish] elders.
Acts 1:16
[He said], "Brothers, it was necessary that the Scriptures be fulfilled which the Holy Spirit spoke through King David about Judas, who guided the soldiers who came to arrest Jesus.
Matthew 26:47-56
And while He was still speaking, Judas, one of the twelve apostles, came with a large crowd who were carrying swords and clubs. They had come from the leading priests and elders of the [Jewish] people.
Luke 22:47-53
While He was still speaking suddenly one of the twelve apostles, named Judas, [who was] leading a crowd, came near Jesus to kiss Him.
John 18:3-11
So, Judas took a detachment of [Roman] soldiers and some [Temple] guards sent from the leading priests and Pharisees, and carrying lanterns, torches and weapons, they went to the orchard.