S.C. Code Ann. § 39-5-80: Additional powers of Attorney General.

To accomplish the objectives and to carry out the duties prescribed by this article, the Attorney General, in addition to other powers conferred upon him by this article, may issue subpoenas to any person, administer an oath or affirmation to any person, conduct hearings in aid of any investigation or inquiry, prescribe such forms and promulgate such rules and regulations as may be necessary, which rules and regulations shall have the force and effect of law; provided, however, that none of the powers conferred by this article shall be used for the purpose of compelling any person to furnish testimony or evidence which might tend to incriminate him or subject him to a penalty or forfeiture; and provided, further, that information obtained pursuant to the powers conferred by this article shall not be made public or disclosed by the Attorney General or his employees beyond the extent necessary for law-enforcement purposes in the public interest.