Someone on these pages suggested a sitting panel that worked on a set number of cases per year. Their only job, ever, would be to exculpate death row inmates. The idea was that the clock started ticking once a person was sentenced to death. If nothing exculpatory could be found in a year (or some, set reasonable amount of time), they would get what was coming to them. If we cared about justice in this country, we'd do something like that, instead of just folding our hands and giving up.