Idaho Code § 19-2130
On the trial of an indictment for libel, the jury have the right to determine the law and the fact.
[(19-2130) Cr. Prac. 1864, sec. 383, p. 259; R.S., R.C., & C.L., sec. 7884; C.S., sec. 8970; I.C.A., sec. 19-2030.]