Idaho R. Evid. 404

As amended through November 3, 2021
Rule 404 - Character Evidence; Crimes or Other Acts
(a) Character Evidence
(1) Prohibited Uses. Evidence of a person's character or trait of character is not admissible to prove that on a particular occasion the person acted in accordance with the character or trait.
(2) Exceptions for a Defendant or Victim in a Criminal Case. The following exceptions apply in a criminal case:
(A) a defendant may offer evidence of the defendant's pertinent trait, and if the evidence is admitted, the prosecutor may offer evidence to rebut it;
(B) a defendant may offer evidence of an alleged victim's pertinent trait of character, and if the evidence is admitted, the prosecutor may offer evidence to rebut it;
(C) in a homicide case, the prosecutor may offer evidence of the alleged victim's trait of peacefulness to rebut evidence that the victim was the first aggressor.
(3) Exceptions for a Witness. Evidence of a witness's character may be admitted under Rules 607, 608 and 609.
(b) Crimes, Wrongs, or Other Acts.
(1) Prohibited Uses. Evidence of a crime, wrong, or other act is not admissible to prove a person's character in order to show that on a particular occasion the person acted in accordance with the character.
(2) Permitted Uses; Notice in a Criminal Case. This evidence may be admissible for another purpose, such as proving motive, opportunity, intent, preparation, plan, knowledge, identity, absence of mistake, or lack of accident. In a criminal case, the prosecutor must:
(A) file and serve reasonable notice of the general nature of any such evidence that the prosecutor intends to offer at trial; and
(B) do so reasonably in advance of trial - or during trial if the court, for good cause shown, excuses lack of pretrial notice.

Id. R. Evid. 404

Adopted amended March 26, 2018, effective July 1, 2018.