And set Judas up as the scapegoat.
Imagine if Judas had had a change of heart, the whole resurrection scheme would have folded. As God is all knowing, and everything is part of His great plan, why is Judas derided by the Christian faith, when he only did what God had set him up to do ?
( At one of my son's school services, the Bishop of Liverpool gave an excellent sermon on this subject, and told a story where Jesus goes into Hell to rescue and forgive his 'friend' ).