The Insanity Defense

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The insanity defense, also known as the mental disorder defense, is a defense by excuse in criminal trials arguing that the defendant is not responsible for their actions due to an episodic or persistent psychiatric disease. (“Insanity defense,” 2016)
In North Carolina we use The M’Naghten Rule to determine insanity. Other states may also use: The Irresistible Impulse Test, The Durham Rule and The American Law Institute’s Model Penal Code Test. (US Legal, 2001) The M’Naghten Rule focuses on whether a criminal defendant knew the nature of the crime or understood right from wrong at the time it was committed. This rule was established by the English House of Lords in the mid-19th Century. Under this rule, the defendant is presumed to be sane,
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