A Missouri man is scheduled to be executed on Tuesday, even though the prosecutor's office that secured his murder conviction 21 years ago has expressed doubts about the integrity of the case. The U.S.

Marcellus Williams, whose murder conviction was questioned by a prosecutor in light of what he described as new evidence, will be executed Tuesday evening after the US Supreme Court denied his request for a stay of execution.

The Missouri Supreme Court will hear arguments as attorneys working on behalf of Marcellus Williams seek to save him, just a day before his scheduled execution

A Missouri man is scheduled to be executed on Tuesday, even though the prosecutor's office that secured his murder conviction 21 years ago has expressed doubts about the integrity of the case.

The office that prosecuted Marcellus Williams wants his murder conviction overturned. The family of the woman he’s accused of killing supports a life sentence instead of the death penalty. But the Missouri inmate is scheduled to be executed tonight – unless the Supreme Court intervenes.

Lawyers for a Missouri man scheduled to be executed Tuesday evening have filed another appeal to the U.S. Supreme Court that alleges there were racial bias and constitutional errors at his trial. Marcellus Williams,

The Missouri Supreme Court and Gov. Mike Parson have declined to halt Tuesday’s execution of a death row inmate prosecutors say may be innocent, leaving his fate in the hands of the US Supreme Court with less than 24 hours to go before he is scheduled to die by lethal injection.