State: South Dakota
South Dakota Codified Laws (S.D.C.L.)
CHAPTER 22-16. HOMICIDE AND SUICIDE
22-16-31. Excusable homicide–Heat of passion–Provocation–Sudden combat–Limitations.
Homicide is excusable if committed by accident and misfortune in the heat of passion, upon sudden and sufficient provocation, or upon a sudden combat. However, to be excusable, no undue advantage may be taken nor any dangerous weapon used and the killing may not be done in a cruel or unusual manner.