A British mechanic named Daniel M'Naghton shot Edmund Drummond, private secretary of Prime Minister Sir Robert Peel, thinking Drummond was Peel M'Naghton was later acquitted of murder because it was judged that his paranoid mental condition rendered him incapable of judging right from wrong The M'Naghton rule is a landmark precedent of the modern insanity defense

Type of event: Policy or Regulation

Country: United Kingdom

Region: Europe and the former USSR