All matters of fact tending to establish a defense other than former conviction or acquittal, or once in jeopardy, may be given in evidence under the plea of not guilty.
Idaho Code § 19-1716
Evidence admissible under plea of not guilty
Current official text: Idaho Statutes (Idaho Legislature). Digitized from the UniCourt Code Improvement Commission public-domain capture. Reproduced from public-domain Idaho statutes; confirm against the official source for the current text. Not legal advice.