S.C. Code Ann. § 22-5-160: Appointment of special officer.

Whenever a magistrate shall have issued a warrant for the arrest of any person charged with an offense above the grade of a misdemeanor he may select any citizen of the county to execute such warrant upon his endorsement upon the warrant that, in his judgment, the selection of such person will be conducive to the certain and speedy execution of the warrant. The person so selected shall have all the powers conferred by law upon any constable within this State.