Defense attorneys for sniper suspect John Lee Malvo are planning an insanity defense. They say their young client was brainwashed by his alleged accomplice John Allen Muhammad. Join host Neal Conan for a look at the evolution of the insanity defense in the American justice system and why it's rarely successful.
*Washington Post staff writer, covering Mohammed case
*Law professor, Moritz College of Law at Ohio State University
*Communications Director for National Alliance for the Mentally Ill (NAMI), an advocacy group for mentally ill people