Byron Black, a Tennessee death row inmate, has filed a petition for writ of certiorari, or a higher court review, with the United States Supreme Court.

Tennessee's high court has ruled that a death row inmate can be executed without deactivating his implanted defibrillator.

Attorneys for Byron Black, a 66-year-old man on Tennessee's death row, have filed a motion for a stay of his execution due to the potential for his implanted defibrillator to trigger a prolonged and gruesome death.