N.C. Gen. Stat. § 14-225.1

Any person who, with intent to interfere with, obstruct, or impede the administration of justice, or with intent to influence any justice or judge of the General Court of Justice, juror, witness, district attorney, assistant district attorney, or court officer, in the discharge of his duty, pickets, parades, or uses any sound truck or similar device within 300 feet of an exit from any building housing any court of the General Court of Justice, or within 300 feet of any building or residence occupied or used by such justice, judge, juror, witness, district attorney, assistant district attorney, or court officer, shall upon plea or conviction be guilty of a Class 1 misdemeanor.