NJ RULES OF EVIDENCE NJRE ARTICLE IV. RELEVANCY AND ITS LIMITS
RULE 405. METHODS OF PROVING CHARACTER
(a) Reputation, opinion, or conviction of crime. When evidence of character or a trait of character of a person is admissible, it may be proved by evidence of reputation, evidence in the form of opinion, or evidence of conviction of a crime which tends to prove the trait. Specific instances of conduct not the subject of a conviction of a crime shall be inadmissible.
(b) Specific instances of conduct. When character or a trait of character of a person is an essential element of a charge, claim, or defense, evidence of specific instances of conduct may also be admitted.