S.D. Codified Laws § 22-16-12
Classification of murder
Murder in the first degree is a Class A felony. Murder in the second degree is a Class B felony.
Source: SDC 1939, § 13.2012; SL 1939, ch 30; SL 1955, ch 28; SL 1976, ch 158, § 16-2 ; SL 1978, ch 349, § 9; SL 1980, ch 173, § 12.