A Pardon for the Pardoners?

Sometimes a person who’s been in prison a long time is exonerated for one reason or another, and it turns out he didn’t do it and he shouldn’t have been incarcerated. Mistakes happen. It must be very difficult for authorities to admit that this happened in the first place–not to mention the bad press. Of course the victims would think of filing suit. How could it be made easier for the authorities to own up and let these should-not-have-been-prisoners go?