If a member of a grand jury knows, or has reason to believe, that a public offense, triable within the county, has been committed, he must declare the same to his fellow jurors, who must thereupon investigate the same.
Idaho Code § 19-1108
Duty of juror having knowledge of offense
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.