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19 Seattle J. Soc. Just. 441 (2020-2021)
Sentencing Alternative to an Insanity Defense

handle is hein.journals/sjsj19 and id is 463 raw text is: 441

Sentencing Alternative to an Insanity Defense
Michael Mullan*
L INTRODUCTION
In the 2020 case Kahler v. Kansas, the U.S. Supreme Court held that
under the Due Process Clause of the Fourteenth Amendment, it is
constitutional to abolish the affirmative insanity defense.1 The Court
accepted the view that Kansas's provision for mental illness evidence to be
introduced at the sentencing stage of a criminal trial, as well as to be
adduced to deny mens rea at trial, was a constitutionally acceptable
alternative to an affirmative insanity defense. This article focuses on the
sentencing alternative. The alternative to the insanity defense of making
mental illness solely relevant at the sentencing stage of a criminal trial is
insufficient given the profound legal, historical, and moral underpinnings of
the defense itself 2
First, the facts of the case and the issues that Kahler had with the Kansas
provisions will be examined. In then analyzing the sentencing alternative,
this article will highlight the reality that mental illness often works to
aggravate, not mitigate, criminal punishment, and that separate sentencing
discretion restraints, such as mandatory minimum sentences and future
* S.J.D. Candidate, American University Washington College of Law; LL.M, Harvard
Law School, 2017; LL.B., Trinity College, University of Dublin, 2014. Michael would
like to thank his wife Mel and his family for bringing this publication to print. Thank you
also to Dr. David Prendergast, Prof Michael A. Stein and Prof Michael L. Perlin for
acting as Michael's mentors and for inspiring him. Also, thanks to Michael's medical
team at Dana Farber, particularly Dr. Toni Choueiri, Dr. Douglas Brandoff Megan
English and Ally Mulloy, for the great care that they showed to Michael over the years.
Kahler v. Kansas, 140 S. Ct. 1021 (2020).
2 KAN. STAT. ANN. § 21-6815(c)(1) (2019); KAN. STAT. ANN. § 21-6625(a) (2011);
MICHAEL L. PERLIN, THE JURISPRUDENCE OF THE INSANITY DEFENSE (1994); MICHAEL
L. PERLIN & HEATHER ELLIS CUCOLO, MENTAL DISABILITY LAW: CIVIL AND CRIMINAL
(3d ed. 2016).

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