STUDIES: What Percent of Convictions Are Mistaken?

In June, a National Institute of Justice released a formula of a investigate to establish how mostly complicated DNA contrast of justification from comparison cases confirms a strange conviction.  The study, conducted by a Urban Institute in Washington, D.C, tested DNA justification that had been defended in carnage and passionate attack philosophy that occurred between 1973 and 1987 in Virginia.  Among a homicides, there were not adequate cases in that DNA would be pliant of shame to make statistically arguable conclusions about mistakes.  In cases of passionate assault, DNA contrast suggested that in 8-15% of a convictions, a convicted offenders were separated as a source of questioned justification and that rejecting was understanding of an exoneration.  The news concluded, “Even a many regressive guess suggests that 8 percent (or more) of passionate attack philosophy in a 15-year duration competence have been wrongful. That means hundreds, if not some-more than a thousand, convicted offenders competence have been wrongfully convicted. That also means hundreds (if not more) victims have not perceived a only result, as formerly believed. Therefore, either a loyal rate of intensity prejudicial self-assurance is 8 percent or 15 percent in passionate assaults in Virginia between 1973 and 1987 is not as critical as a anticipating that these formula need a clever and concurrent process response.”

Researchers found that DNA contrast in two-thirds of a cases yielded “indeterminate” results, definition a exam was not sufficient to establish if a DNA came from a convicted individual.  Researchers also remarkable that there competence be other evidence, not in a debate record of a case, that could still indicate to a shame of a defendant, yet they resolved this would be “relatively rare.”

(J. Roman, K. Walsh, et al., “Post-Conviction DNA Testing and Wrongful Conviction,” Urban Institute Justice Policy Center, Jun 2012; posted by DPIC Jul 2, 2012).  See Innocence.  Listen to DPIC’s podcast on Innocence.