S.C. Code Ann. § 17-7-170: Coroner's power to issue warrants and to summon and examine witnesses.

The coroner may issue warrants, summon witnesses and examine before the jury any person present, whether summoned or not, concerning the death. He shall serve a notice of hearing on any person who has been served with an arrest warrant charging him with causing death of the subject of the inquest. The notice of hearing shall be served at least four days prior to the inquest.