Okla. Stat. tit. 12, § 12-2404: Character evidence not admissible to prove conduct -

Exceptions - Other crimes.

A. Evidence of a person's character or a trait of his character

is not admissible for the purpose of proving action in conformity

therewith on a particular occasion, except:

1. Evidence of a pertinent trait of character offered by an

accused or by the prosecution to rebut the same;

2. Evidence of a pertinent trait of character of the victim of

the crime offered by an accused, or by the prosecution to rebut the

same, or evidence of a character trait of peacefulness of the victim

offered by the prosecution in a homicide case to rebut evidence that

the victim was the first aggressor; or

3. Evidence of the character of a witness, as provided in

Sections 2607, 2608 and 2609 of this Code.

B. Evidence of other crimes, wrongs, or acts is not admissible

to prove the character of a person in order to show action in

conformity therewith. It may, however, be admissible for other

purposes, such as proof of motive, opportunity, intent, preparation,

plan, knowledge, identity or absence of mistake or accident.