S.C. Code Ann. § 23-3-210

For the purposes of this article: (1) "Missing child" means any individual who is under the age of seventeen years whose temporary or permanent residence is in South Carolina, or is believed to be in South Carolina, whose location has not been determined, and who has been reported as missing to a law enforcement agency. (2) "Missing person" means any individual who is seventeen years of age or older, whose temporary or permanent residence is in South Carolina, or is believed to be in South Carolina, whose location has not been determined, and who has been reported as missing to a law enforcement agency. (3) "Missing person report" is a report prepared on a prescribed form for transmitting information about a missing person or a missing child to a law enforcement agency. (4) "Exploited children" are children under the age of eighteen who are placed in positions where they were taken advantage of sexually because of their inability to cognitively assess or resist the contact or who were placed into these positions because of their dependency upon the offender.