SDCL § 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.