New evidence suggests Texas execution was case of mistaken identity

From the page:

-- Ending years of silence, Hernandez's relatives and friends recounted how he repeatedly bragged that De Luna went to Death Row for a murder actually committed by Hernandez, a violent felon who died in 1999. Five people now say Hernandez told them that he stabbed Lopez and that De Luna, whom he called his "stupid tocayo," or namesake, went to Death Row in his place. --