Bartender Geek

Or, as has come to light in this Texas case, the real killer remains free to kill more people. True, therewas willful suppression of exonerating evidence from the get-go, and it wasn't death penalty, but it does highlight that there is harm to far more than the convicted.

http://www.npr.org/2012/04/28/150996459/free-after-25-years-a-tale-of-murder-and-injustice