SDCL § 23A-22-3: Innocence presumed--Reasonable doubt requires acquittal.

A defendant in a criminal action is presumed to be innocent until the contrary is proved, and in case of a reasonable doubt as to whether his guilt is satisfactorily shown, he is entitled to be acquitted.

Source: SDC 1939 & Supp 1960, § 34.3635; SDCL, § 23-44-5; SL 1978, ch 178, § 281.