S.C. Code Ann. § 17-29-40
(B) An order issued under this section must specify:
(4) a statement of the offense to which the information likely to be obtained by the pen register or trap and trace device relates.
The order must also direct, upon the request of the applicant, the furnishing of information, facilities, and technical assistance necessary to accomplish the installation of the pen register or trap and trace device under Section 17-29-50.
(C)
(D) An order authorizing or approving the installation and use of a pen register or a trap and trace device must direct that: