You’ve heard of the Insanity Defense–it’s well known in popular culture, from Clue‘s Mrs. Peacock attempting to set herself up for it after being revealed as Mr. Body’s killer to the question of it being used for Jared Lee Loughner.  But do you know what it really is, and how it works?

Over at FindLaw’s blog, there’s a post explaining exactly what the Insanity Defense is.  They include links to a full explanation of the M’Naghten Rule, as well as links to descriptions of different states’ takes on the Insanity Defense.