The prosecutor in a criminal case shall:
f) except for statements that are necessary to inform the public of the nature and extent of the prosecutor's action and that serve a legitimate law enforcement purpose, refrain from making extrajudicial comments that have a substantial likelihood of heightening public condemnation of the accused and exercise reasonable care to prevent investigators, law enforcement personnel, employees or other persons assisting or associated with the prosecutor in a criminal case from making an extrajudicial statement that the prosecutor would be prohibited from making under Rule 3.6 or this Rule.
Rule 3.6, Commentary to Rule
[5] There are, on the other hand, certain subjects that are more likely than not to have a material prejudicial effect on a proceeding, particularly when they refer to a civil matter triable to a jury, a criminal matter, or any other proceeding that could result in incarceration. These subjects relate to:
...(b) in a criminal case or proceeding that could result in incarceration, the possibility of a plea of guilty to the offense or the existence or contents of any confession, admission, or statement given by a defendant or suspect or that person’s refusal or failure to make a statement;
American Bar Association Standards of Criminal Justice Relating to Prosecution Function
Standard 3-1.4 Public Statements
(a) A prosecutor should not make or authorize the making of an extrajudicial statement that a reasonable person would expect to be disseminated by means of public communication if the prosecutor knows or reasonably should know that it will have a substantial likelihood of prejudicing a criminal proceeding.
(b) A prosecutor should exercise reasonable care to prevent investigators, law enforcement personnel, employees, or other persons assisting or associated with the prosecutor from making an extrajudicial statement that the prosecutor would be prohibited from making under this Standard.
