FILE - This February 2014 file photo provided by the Missouri Department of Corrections shows death row inmate Marcellus Williams. Missouri Gov. Eric Greitens halted Williams’ scheduled execution Tuesday, Aug. 22, 2017, after DNA raised questions about his guilt. Williams was convicted of fatally stabbing former St. Louis Post-Dispatch reporter Lisha Gayle during a burglary at her suburban St. Louis home in 1998. Williams' execution was scheduled for 6 p.m. Tuesday. (Missouri Department of Corrections via AP, File)