S.C. Code Ann. § 17-13-20: Additional circumstances when citizens may arrest; means to be used.

A citizen may arrest a person in the nighttime by efficient means as the darkness and the probability of escape render necessary, even if the life of the person should be taken, when the person:

(a) has committed a felony;

(b) has entered a dwelling house without express or implied permission;

(c) has broken or is breaking into an outhouse with a view to plunder;

(d) has in his possession stolen property; or

(e) being under circumstances which raise just suspicion of his design to steal or to commit some felony, flees when he is hailed.