With hours until MO execution, Marcellus Williams’ life in hands of U.S. Supreme Court Kansas City StarProsecutors say evidence clears him. He’s set to be executed today. The Washington PostMissouri man faces execution on Tuesday despite prosecutor's opposition ReutersAttorney Statement: Missouri Governor Denies Clemency to Marcellus Williams Innocence ProjectState to Carry Out Sentence of Mr. Marcellus Williams According to Supreme Court of Missouri Order Governor Parson