25-year-old Donovan Parks was shopping for cat food after church at a small-town Wal-Mart when he crossed paths with a man shopping for someone to kill. Sixteen minutes later, Donovan was dead. His own father found him bleeding in the middle of the street. In four days, Marion Wilson is scheduled to die by lethal injection for the murder, after another man has already been executed for the crime. If the execution goes through, it will be the 1500th since the death penalty was reinstated in the United States. Journalist Jeremy Campbell was asked to serve as a media witness for the execution. Follow his journey as he and a team of investigators learn all they can about the crime, the man being executed, the victim and the controversy surrounding the death penalty in America.