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http://ssrn.com/abstract=1670108
 
 

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Implementing (or Nullifying) Atkins?: The Impact of State Procedural Choices on Outcome in Capital Cases Where Intellectual Disability is at Issue


John H. Blume


Cornell Law School

Sheri Lynn Johnson


Cornell Law School

Christopher Seeds


Cornell University - Law School

September 1, 2010


Abstract:     
This empirical study assesses the impact of state procedural choices on the implementation of Atkins v. Virginia, which prohibits the execution of prisoners with intellectual disability (“mental retardation”). Since Atkins, much scholarly attention, including our own, has focused on the manner in which states have applied substantive definitions of intellectual disability that deviate from the clinical norm. But as the present study shows, matters of procedure - such as whether a judge or jury determines intellectual disability, whether the determination occurs prior to trial or in conjunction with a capital sentencing trail, and the applicable burden of proof - may also make a difference on outcome. The study draws from available data on all known post-Atkins determinations of intellectual disability (n = 244). The study finds that cases in which a jury makes the intellectual dis ability determination are relatively infrequent (28 jury verdicts versus 216 judicial determinations). More striking, jury findings of intellectual disability are exceedingly rare - in fact, nationwide, there have been only three. We assess these statistics - and others - in context with: previous empirical analyses of the substantive deviations, long-standing concerns about the ability of jurors (especially death-qualified jurors) to assess mental health in criminal cases, and the risks of unreliable capital sentencing that Atkins sought to avoid.

Number of Pages in PDF File: 34

Keywords: death penalty, intellectual disability, Atkins

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Date posted: September 3, 2010  

Suggested Citation

Blume, John H. and Johnson, Sheri Lynn and Seeds, Christopher, Implementing (or Nullifying) Atkins?: The Impact of State Procedural Choices on Outcome in Capital Cases Where Intellectual Disability is at Issue (September 1, 2010). Available at SSRN: http://ssrn.com/abstract=1670108 or http://dx.doi.org/10.2139/ssrn.1670108

Contact Information

John H. Blume (Contact Author)
Cornell Law School ( email )
524 College Ave
Myron Taylor Hall
Ithaca, NY 14853
United States
Sheri Lynn Johnson
Cornell Law School ( email )
524 College Ave
Myron Taylor Hall
Ithaca, NY 14853
United States
607-255-6478 (Phone)
607-255-7193 (Fax)
Christopher Seeds
Cornell University - Law School ( email )
524 College Ave
Myron Taylor Hall
Ithaca, NY 14853
United States
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