Under the legal doctrine of jury nullification, a jury may legitimately acquit a defendant it believes violated a law if the jury believes that law to be unjust  Proponents argue that this practice is legitimate because it helps shield against injustice  But the doctrine relies excessively on jurors' objectivity
When juries are empowered to acquit on grounds of their perceptions of unfairness, they too often make serious mistakes
attacking the motives of the proponents of the doctrine