Predictions of future dangerousness in capital murder trials: Is it time to "disinvent the wheel?"

John F. Edens, Jacqueline K. Buffington-Vollum, Andrea Keilen, Phillip Roskamp, Christine Anthony

Research output: Contribution to journalReview articlepeer-review

80 Scopus citations

Abstract

Although recent U.S. Supreme Court decisions regarding the death penalty (e.g., Atkins v. Virginia, 2002) have renewed interest in mental health issues, one topic that has not received much attention recently is the ongoing use of expert testimony to support claims that defendants represent a "continuing threat to society." In this article, we (a) review prior research relevant to determining the accuracy of clinical predictions that capital defendants will commit future acts of criminal violence; (b) summarize new data from current and former death row inmates in Texas that bolster the claim that such predictions are gross overestimates of risk; and (c) review extant research addressing the potential utility of various risk assessment instruments that increasingly are being used to reinforce clinical predictions in capital trials. Despite significant recent advances in the field of risk assessment, clinical assertions that a defendant is likely to commit future violent acts appear to be highly inaccurate and ethically questionable at best. Moreover, available research offers little support for the claim that the accuracy of these predictions will be appreciably improved by relying on more structured risk assessment measures that have some demonstrated predictive validity in other contexts.

Original languageEnglish (US)
Pages (from-to)55-86
Number of pages32
JournalLaw and Human Behavior
Volume29
Issue number1
DOIs
StatePublished - Feb 1 2005

Keywords

  • Capital sentencing
  • Clinical prediction
  • Death penalty
  • Expert testimony
  • Violence risk

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