Multiple choice What does the famous M' Naghten rules determine? Insanity as defence Law of sea Distinguished hurt from grievous hurt Established seasoning in criminal cases Reveal answer Fill a bubble to check yourself A Correct answer Explanation Under the M'Naghten rule, a criminal defendant is not guilty by reason of insanity if at the time of the alleged criminal act, the defendant was so deranged that she did not know the nature or quality of her actions.