(a) A lawyer who is participating or has participated in the investigation or litigation of a matter shall not make an extrajudicial statement that the lawyer knows or reasonably should know will be disseminated by means of public communication and will have a substantial likelihood of materially prejudicing an adjudicative proceeding in the matter.
(b) A statement referred to in paragraph (a) will more likely than not have such an effect when it refers to a civil matter triable to a jury, a criminal matter, or any other proceeding that could result in incarceration, and the statement relates to:
(1) the character, credibility, reputation or criminal record of a party, suspect in a criminal investigation or witness, or the identity of a witness, or the expected