History and officially recognized defense to criminal act?

What does history show about the use of insanity as a legal defense to criminal act?
History have shown that even sane persons after committing a crime, plead as insane to escape punishment.
That it is possible and does happen.
That doesn't mean the perp get to walk free though.

It is often misused too.
"> Read here.

http://legal-dictionary.thefreedictionar…



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