The National Registry of Exonerations says 87 people falsely convicted of crimes were exonerated last year, four more than in 2009, the year with the next highest total. The joint effort by the Northwestern University and University of Michigan law schools has documented more than 1,300 such cases in the US since 1989 while also identifying another 1,100 "group exonerations" involving widespread police misconduct, primarily related to planted drug and gun evidence.
"Police and prosecutors have become more attentive and concerned about the danger of false conviction," said registry editor Samuel Gross, a Michigan law professor. "We are working harder to identify the mistakes we made years ago, and we are catching more of them."
Texas topped the state-by-state breakdown with 13 exonerations in 2013, followed by Illinois, New York, Washington, California, Michigan and Missouri.