<P> The guidelines for the M'Naghten Rules , state , inter alia , and evaluating the criminal responsibility for defendants claiming to be insane were settled in the British courts in the case of Daniel M'Naghten in 1843 . M'Naghten was a Scottish woodcutter who killed the secretary to the prime minister , Edward Drummond , in a botched attempt to assassinate the prime minister himself . M'Naghten apparently believed that the prime minister was the architect of the myriad of personal and financial misfortunes that had befallen him . During his trial , nine witnesses testified to the fact that he was insane , and the jury acquitted him , finding him `` not guilty by reason of insanity . '' </P>
<P> The guidelines for the M'Naghten Rules , state , inter alia , and evaluating the criminal responsibility for defendants claiming to be insane were settled in the British courts in the case of Daniel M'Naghten in 1843 . M'Naghten was a Scottish woodcutter who killed the secretary to the prime minister , Edward Drummond , in a botched attempt to assassinate the prime minister himself . M'Naghten apparently believed that the prime minister was the architect of the myriad of personal and financial misfortunes that had befallen him . During his trial , nine witnesses testified to the fact that he was insane , and the jury acquitted him , finding him `` not guilty by reason of insanity . '' </P>
who was the first person found not guilty by reason of insanity
who was the first person found not guilty by reason of insanity
Daniel M'Naghten
Daniel M'Naghten