S.C. Code Ann. § 24-3-965
Notwithstanding the provisions of Sections 22-3-540, 22-3-545, 22-3-550, 24-3-950, and 24-7-155, the offenses of furnishing contraband, other than weapons or illegal drugs, to a prisoner under the jurisdiction of the Department of Corrections or to a prisoner in a county jail, municipal jail, prison, work camp, or overnight lockup facility, and the possession of contraband, other than weapons or illegal drugs, by a prisoner under the jurisdiction of the Department of Corrections or by a prisoner in any county jail, municipal jail, prison, work camp, or overnight lockup facility must be tried exclusively in magistrate's court.