2.04.110 [Rule 8] Methods of Proving Character Trait

(a) Reputation or Opinion. In all cases in which evidence of character or a trait of character of a person is admissible, proof may be made by testimony as to reputation or by testimony in the form of an opinion. On cross-examination, inquiry is allowable into specific instances of conduct.

(b) Specific Instances of Conduct. In cases in which character or trait of character of a person is an essential element of a charge, claim, or defense, proof may be made of specific instances of that person's conduct.