State v. Leuin

The question presented by this appeal is whether specific instances of conduct may be proved by extrinsic evidence to establish or attack the credibility of a witness. Evid. R. 608(B) provides that:

*174“Specific instances of the conduct of a witness, for the purpose of attacking or supporting his credibility, other than conviction of crime as provided in Rule 609, may not be proved by extrinsic evidence. They may, however, in the discretion of the court, if clearly probative of truthfulness or untruthfulness, be inquired into on cross-examination of the witness (1) concerning his character for…