In all criminal cases, where the defendant is charged with any offense against the laws of this state, the fact of the former acquittal or conviction of such defendant of such offense may be shown under the general issue or plea of not guilty.
Mo. Rev. Stat. § 546.360
Defense of former jeopardy may be proved, when
Effective: 28 Aug 1939; (RSMo 1939 § 4053); Prior revisions: 1929 § 3664; 1919 § 4007
Official source: Missouri Revisor of Statutes. Reproduced from public-domain Missouri statutes; confirm against the official source for the current text. Not legal advice.