People v. Drew, (1978), was a case decided by the California Supreme Court that abandoned the M'Naghten Rules of the criminal insanity defense in favor of the formulation in the Model Penal Code.Bonnie, R.J. et al. Criminal Law, Second Edition. Foundation Press, NY: 2004, p. 593 The decision was later abrogated by Proposition 8 in 1982, which restored the M'Naghten rules.The Insanity Defense. Loyola of Los Angeles Law Review, Vol. 36, 1596. 2004.

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