Marion Bowman Jr., a South Carolina death row inmate who has spent more than two decades proclaiming his innocence, left behind a chilling message, "I did not do it," just days before his execution. Bowman,

Marion Bowman Jr., a 44-year-old inmate, is scheduled to be executed Friday night, marking the first execution in South Carolina this year. Bowman, a native of

After the U.S. Supreme Court rejected the final appeal of a South Carolina inmate, he decided not to ask the governor for clemency, saying he didn't want to spend the rest of his life in prison for a murder he has always insisted he did not commit.