McMaster has said he decides each case on its merits after a thorough review.
Judge skeptical about taking away South Carolina governor's clemency power
→
McMaster said earlier that he would follow historical tradition and announce his decision minutes before the lethal injection begins when prison officials call him and the state attorney general to make sure there is no reason to delay the execution.
Freddie Owens, South Carolina inmate dies by lethal injection in state's 1st execution in 13 years
→