S.C. Code Ann. § 16-1-55: Classification of accessory crimes.

A person who commits the offense of accessory after the fact must be punished based upon the classification below the punishment provided for the principal offense, except for Class A, Class B, and Class C felonies or murder. If the principal offense is a Class A, Class B, or Class C felony or murder, the penalty must be as prescribed for a Class D felony.