S.C. Code Ann. § 23-3-250
A law enforcement agency, upon receipt of a missing person report by a parent, spouse, guardian, legal custodian, or public or private agency or entity, shall immediately make arrangements for the entry of data about the missing person or missing child into the national missing persons file in accordance with criteria set forth by the FBI/NCIC, immediately inform all of its on-duty law enforcement officers of the missing person report, initiate a statewide broadcast to all other law enforcement agencies to be on the lookout for the individual, and transmit a copy of the report to the MPIC.