MT · Capital: Helena
Montana Rules of Evidence
Citation: Mont. R. Evid. 101–1008
| Rule | Description |
|---|---|
| Mont. R. Evid. 412 | Montana's rape shield rule excludes opinion or reputation evidence of the victim's past sexual conduct; narrow exceptions require an in camera hearing |
| Mont. Code Ann. § 46-16-130 | Montana abolished the insanity defense in 1979; defendants may present evidence of mental disease or defect only to negate the required mental state element |
Civil Procedure
Mont. R. Civ. P.
Criminal Procedure
Mont. Code Ann. Title 46
6
Civil Jury Size
12
Criminal Jury Size
No
Unanimity Required
Montana is one of a few states that abolished the insanity defense (1979). Defendants may introduce mental health evidence only to negate mens rea, not as an affirmative defense.
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