National Registry of Exonerations
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Exonerations in the United States, 1989 – 2012 Report by the National Registry of Exonerations June, 2012 Samuel R. Gross Thomas & Mabel Long Professor of Law University of Michigan Law School Editor, National Registry of Exonerations 734-764-1519 [email protected] Michael Shaffer University of Michigan Law School, Class of 2011 [email protected] National Registry of Exonerations This is the first Report from the National Registry of Exonerations, a joint project of the University of Michigan Law School and the Center on Wrongful Convictions at Northwestern University School of Law. The Registry can be found at exonerationregistry.org. It includes detailed information on the 873 individual exonerations in the United States from January, 1989, through the end of February, 2012, that are the main subject of the Report that follows. We will maintain this website on an ongoing basis, adding cases as we learn about them, both new exonerations that have not yet occurred and old ones that we do not now know about. Our current total is 901. We will issue periodic reports on the cases that are listed in the Registry. We welcome corrections and suggestions of any sort. We especially welcome information about exonerations that have not come to our attention. One important conclusion of the Report is that there are many more exonerations than we know about. We hope that readers and visitors to the web site will let us know about cases that we have missed, and about errors or omissions in cases that we do report. Samuel R. Gross Professor of Law University of Michigan Editor, National Registry of Exonerations Rob Warden Executive Director Center on Wrongful Convictions Northwestern University School of Law June 22, 2012 Exonerations in the U.S., 1989-2012 6/22/2012 Table of Contents Table of Contents ................................................................................................................................. i Acknowledgments .............................................................................................................................. iii I. Introduction ..................................................................................................................................... 1 II. The Cases ........................................................................................................................................ 6 1. The Definition of “Exoneration” .................................................................................................. 6 2. Who’s Exonerated, and by What Procedure ................................................................................. 7 3. Exonerations Found and Exonerations Missed ............................................................................. 9 4. Limitations .................................................................................................................................. 10 (i) Misclassification .................................................................................................................... 11 (a) Guilty defendants misclassified as innocent. ..................................................................... 11 (b) Innocent defendants misclassified as guilty. ..................................................................... 12 (ii) Underinclusion ...................................................................................................................... 14 III. Basic Patterns ............................................................................................................................. 18 1. Exonerations by Crime ............................................................................................................... 18 2. Exonerations over Time .............................................................................................................. 20 3. DNA and Non-DNA exonerations .............................................................................................. 22 4. Time to Exoneration ................................................................................................................... 24 5. Gender ......................................................................................................................................... 29 6. Race............................................................................................................................................. 30 7. Exonerations by Jurisdiction ....................................................................................................... 32 (i) Exonerations by state ............................................................................................................. 32 (ii) Exonerations by county ......................................................................................................... 35 IV. Some Causes of False Convictions ............................................................................................ 40 1. Overview .................................................................................................................................... 40 (i) Overall patterns ..................................................................................................................... 40 (ii) Missing data; ineffective legal defense ................................................................................ 41 2. Witnesses: Mistakes and Lies ..................................................................................................... 43 (i) Eyewitness errors ................................................................................................................... 43 (a) Suggestiveness. .................................................................................................................. 44 (b) Number of eyewitnesses. ................................................................................................... 46 (c) Initial suspicion. ................................................................................................................ 47 (d) Cross-racial identification. ................................................................................................ 48 (ii) Eyewitness lies ...................................................................................................................... 50 i Exonerations in the U.S., 1989-2012 6/22/2012 (iii) Lies in general ...................................................................................................................... 53 3. False Confessions........................................................................................................................ 57 (ii) False confessions by (possible or actual) co-defendants ...................................................... 58 (iii) False confessions by juveniles and the mentally disabled ................................................... 59 (iv) False confessions and guilty pleas ....................................................................................... 61 (v) False confessions and DNA .................................................................................................. 62 4. Bad Forensic Evidence ............................................................................................................... 63 5. Official misconduct ..................................................................................................................... 65 V. No-Crime Exonerations .............................................................................................................. 68 1. Mistakes ...................................................................................................................................... 69 (i) Shaken baby cases .................................................................................................................. 70 (ii) Arson cases ........................................................................................................................... 72 2. Fabricated Crimes ....................................................................................................................... 73 (i) Adult sexual assault................................................................................................................ 74 (ii) Child sex abuse .................................................................................................................... 75 (a) Child sex abuse hysteria cases. .......................................................................................... 75 (b) Other child sex abuse cases. .............................................................................................. 78 VI. Group Exonerations ................................................................................................................... 80 VII. Exonerations We Don’t Know About ..................................................................................... 91 VIII. Conclusion .............................................................................................................................. 102 ii Exonerations in the U.S., 1989-2012 6/22/2012 Acknowledgments This Report – and the Registry on which it’s based – would never have come into existence without the commitment and enthusiasm of Rob Warden and others at the Center on Wrongful Convictions at Northwestern School of Law, especially Dolores Kennedy, who oversaw the creation of the files that were the starting point, and