S.D. Codified Laws § 22-18-2 (2026)
To use or attempt to use or offer to use force or violence upon or toward the person of another is not unlawful if necessarily committed by a public officer in the performance of any legal duty or by any other person assisting the public officer or acting by the public officer's direction.
Source: SDC 1939, § 13.2402 (1); SL 2005, ch 120 , § 6.