How do the composers of the Shawshank Redemption and the Crucible establish their views of justice with their responders?

How do the composers of the Shawshank Redemption and the Crucible establish their views of justice with their responders? The Shawshank Redemption has both justice and injustice features but The Crucible has only injustice features. Within the Shawshank redemption we meet a character named Andy and he is wrongly accused of killing his wife and then when they find out whom the real killer of Andy's wife is they hide it. The techniques used in …

…Confesses that it all was pretence and then turns against John Proctor accusing him of working for the devil". How do the composers of the Shawshank Redemption and the Crucible establish their views of justice with their responders? The composer's views of justice were established mainly with the use of irony. The composer's of the Shawshank redemption and the crucible are implying that justice is not always used properly And That justice doesn't always prevail.