(a) A lawyer shall not:
(1) seek to influence a judge, juror, prospective juror or other official by means prohibited by law;
(2) communicate ex parte with such a person during the proceeding unless authorized to do so by law or court order;
(3) communicate with a juror or prospective juror after discharge of the jury if:
(i) the communication is prohibited by law or court order;
(ii) the juror has made known to the lawyer a desire not to communicate; or
(iii) the communication involves misrepresentation, coercion, duress or harassment; or
(4) engage in conduct intended to disrupt a tribunal.
(b) A lawyer shall reveal promptly to the court improper conduct by a venireperson or a juror, or by another toward a venireperson or a juror or a member of his or her family, of which the lawyer has knowledge.