Never, you say? Think again. It's okay if the person in question has received a fair trail, copious appeals, but not been allowed to take advantage of new DNA technology to establish actual innocence, thereby preserving our ignorance on that issue, so no one can say an innocent man has been executed.
Kevin Drum has the story, plus his own excellent comment, plus excellent and informative reader comments.
This is what justice will look like across the country if President Bush gets to reshape the Supreme Court.