But ye have a custom that I should release one unto you at the passover, etc. - See Mar 15:7-11. “On the typical import of the choice of Christ to suffer, by which Barabbas was set free, see the sixteenth chapter of Leviticus, particularly Lev 16:5-10, where the subject is the sin offering on the great day of atonement” [Krafft in Luthardt].