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Published Online: 1 October 2013

Law & Psychiatry: Does the Constitution Require an Insanity Defense?

Abstract

In March 2007, John Delling left California with the intent to kill all the people he imagined would eventually kill him. He flew to Idaho where he tracked down and murdered a former high school classmate and an online gamer he had met on the Internet. But because Idaho has no insanity defense, when the case came to trial he pled guilty to second-degree murder, even though evaluators found him severely psychotic. Thus began another odyssey, this time through the courts, as Delling argued that Idaho's laws violated his constitutional right to an insanity defense.

Abstract

Idaho is one of four states that have abolished the insanity defense. Hence, John Delling, on trial for two murders in Idaho, was unable to plead insanity or to argue that he lacked intent to kill, the only available option under Idaho law. After being sentenced to life in prison without parole, Delling challenged the constitutionality of Idaho’s law. The state’s supreme court rejected his appeal, holding that—despite the long history of the insanity defense and its widespread acceptance—there was no constitutional right to an insanity defense. Delling’s petition to the U.S. Supreme Court was turned away, leaving the constitutional status of the insanity defense uncertain.

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Go to Psychiatric Services
Go to Psychiatric Services

Cover: Walter Martin, by Dickson Reeder, 1956. Oil on canvas. Collection of the San Antonio Art League and Museum, San Antonio, Texas.

Psychiatric Services
Pages: 943 - 945
PubMed: 24081400

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Published online: 1 October 2013
Published in print: October 2013

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Paul S. Appelbaum, M.D.
Dr. Appelbaum, who is editor of this column, is the Elizabeth K. Dollard Professor of Psychiatry, Medicine and Law, Department of Psychiatry, Columbia University. Send correspondence to Dr. Appelbaum at New York State Psychiatric Institute, 1051 Riverside Dr., Unit 122, New York, New York 10032 (e-mail: [email protected]).

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