Dallas County District Attorney Craig Watkins, right, shakes hands with Johnny Pinchback, left, who spent 27 years in prison for aggravated sexual assault before DNA evidence cleared him, following ... more 
Dallas County District Attorney Craig Watkins, right, shakes hands with Johnny Pinchback, left, who spent 27 years in prison for aggravated sexual assault before DNA evidence cleared him, following court proceedings Thursday May 12, 2011, in Dallas. Pinchback, the 22nd person to be exonerated through DNA testing in Dallas County since 2001, was found to have been wrongly convicted of raping two teenage girls in a Dallas field in 1984. less 
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Associated Press | Photo By Tony Gutierrez
Thu, May 12, 2011 3:51 PM EDT