There have been 122 exonerations of people on death row in the United States since executions were restarted in 1973. The states with the largest number of exonerations is Florida with 21 and Illinois with 18.
There were 12 exonerations in 2003 and 6 in 2005.
It is hard to know for sure how many innocent people have been executed but there are 7 probable cases listed on the Death Penalty Information Center web site.
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