Jury nullification- Should be used in all court cases , where no one has been harmed.
Jury nullification occurs in a trial when a jury acquits a defendant they believe to be guilty of the charges against them. This may occur when members of the jury disagree with the law the defendant has been charged with, or believe that the law should not be applied in that particular case. A jury can similarly convict a defendant on the ground of disagreement with an existing law, even if no law is broken (although in jurisdictions with double jeopardy rules, a conviction can be overturned on appeal , but an acquittal cannot). A jury verdict contrary to the letter of the law pertains only to the particular case before it. If a pattern of acquittals develops, however, in response to repeated attempts to prosecute a statutory offence, this can have the de facto effect of invalidating the statute. A pattern of jury nullification may indicate public opposition to an unwanted legislative enactment. SOURCE
