Levy & Sinnott-Armstrong on Insanity Defenses

Ken Levy and Walter Sinnott-Armstrong (Louisiana State University, Baton Rouge - Paul M. Hebert Law Center and affiliation not provided to SSRN) have posted Insanity Defenses (OXFORD HANDBOOK ON THE PHILOSOPHY OF THE CRIMINAL LAW, p. 299, John Deigh & David Dolinko, eds., Oxford University Press, 2011) on SSRN. Here is the abstract:

We explicate and evaluate arguments both for and against the insanity defense itself, different versions of the insanity defense (M'Naghten, Model Penal Code, and Durham (or Product)), the Irresistible Impulse rule, and various reform proposals.