Answer:
He has changed his mind. He now disagrees with the court. He has decided that he wants to help save people instead of kill them and persecute them. He thinks the court system is messed up. The town has already hung many innocent people.
Explanation:
Danforth is a victim of his own logic because he realizes it is too late to do what is right. So many people have already died. He has relied on what witnesses say and many of them are heartless. He has said that these people are of the devil, and now how can he go back and still have any respect left in the town?
