Marcellus Williams executed in Missouri woman's murder amid strong innocence claims USA TODAYMissouri executes Marcellus Williams despite prosecutors and the victim’s family asking that he be spared CNNMarcellus Williams executed by lethal injection in Missouri after SCOTUS denied appeals ABC NewsSCOTUS allows Marcellus Williams’s execution, which prosecutors tried to stop The Washington PostAttorney Statement: Missouri Governor Denies Clemency to Marcellus Williams Innocence Project