S.C. Code Ann. § 63-7-620
(A) A law enforcement officer may take emergency protective custody of a child without the consent of the child's parents, guardians, or others exercising temporary or permanent control over the child if:
(2) the child's parent, parents, or guardian has been arrested or the child has become lost accidentally and as a result the child's welfare is threatened due to loss of adult protection and supervision; and
(B)