No one knows how many people wrongfully convicted of crimes are in prison, but last year 139 of them were exonerated. That's a drop from 2016, when there were 171 such cases.
The numbers released today by the National Registry of Exonerations shows that Texas still led the nation with 23 exonerees last year followed by Illinois (21), Michigan (14) and New York (13).
Professor Barbara O'Brien, a Michigan State University law professor and editor of the National Registry, says a record high number of cases, 84 of the 139, were tainted by official misconduct by police, prosecutors and other government officials.
[For more on this story by CHERYL CORLEY, go to https://www.npr.org/sections/t...n-in-2017-study-says]