The report analyzes 873 exonerations between January 1989 and February 2012. In total, the 873 spent more than 10,000 years in prison for crimes they did not commit—an average of more than 11 years each.
Five of the most common reasons for wrongful convictions involved reckless or intentional misconduct, including perjury or false accusation (51%), mistaken witness identification (43%), official misconduct (42%), false or misleading forensic evidence (24%) and false confession (16%).
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