Missouri Supreme Court declines to halt Tuesday’s execution of a death row inmate who prosecutor says might be innocent CNNAttorney Statement: Missouri Governor Denies Clemency to Marcellus Williams Innocence ProjectFamily of Missouri woman murdered in home ‘exasperated’ as execution approaches USA TODAYParson, state Supreme Court refuse to halt the execution of man convicted of 1998 killing KTVI Fox 2 St. LouisMarcellus Williams’ execution set to proceed Tuesday, Missouri Supreme Court rules CBS News