"[The electric chair would] burn and cook him alive, but the alternative is just as monstrous. If he chose lethal injection, he risked the prolonged death suffered by all three of the men South Carolina has executed since September — three men Brad knew and cared for — who remained alive, strapped to a gurney, for more than twenty minutes. He does not wish to inflict that pain on his family, the witnesses, or the execution team. But, given South Carolina's unnecessary and unconscionable secrecy, Brad is choosing as best he can."