shot in the face and chest while helping a home last man. thine witnesses testified davis was the shooter. but seven of the nine witnesses recanted their statements, several claims police coercion. one of those witnesses said "i was real young, i was scared, i told them what they wanted to hear." davis' defense also points to a lack of evidence. the murder weapon never found. three jurors who voted to convict now say they would vote differentlily. davis' many supporters have tried everything they could to convince the board that given all the questions in the case, the execution must be halted. the board denied clemency. his family and supporters were devastated. >> when there's doubt, you can't make mistakes. you have to be sure. >> this is an affront to human rights. >> reporter: but officer mcfail's loved ones called it justice. >> not just my father was taken, but the future that we would have had together was taken from us. and the future that he would have had with his family was taken.