Early in the morning Jesus was taken from Caiaphas' house to the governor's palace. The Jewish authorities did not go inside the palace, for they wanted to keep themselves ritually clean, in order to be able to eat the Passover meal.
So Judas went to the garden, taking with him a group of Roman soldiers, and some Temple guards sent by the chief priests and the Pharisees; they were armed and carried lanterns and torches.
When it was decided that we should sail to Italy, they handed Paul and some other prisoners over to Julius, an officer in the Roman army regiment called “The Emperor's Regiment.”