Missouri Supreme Court declines to halt Tuesday’s execution of a death row inmate who prosecutor says might be innocent CNNMO governor denies Marcellus Williams clemency. Other rulings pending as execution nears Kansas City StarFamily of Missouri woman murdered in home 'exasperated' as execution approaches USA TODAYAttorney Statement: Missouri Governor Denies Clemency to Marcellus Williams Innocence ProjectMissouri governor and state Supreme Court both refuse to halt the execution of Marcellus Williams KY3