Title 18, Section 1507 of the United States Code provides an official position of the U.S. government that the press secretary could not provide.
“Whoever, with the intent of interfering with, obstructing, or impeding the administration of justice, or with the intent of influencing any judge, juror, witness, or court officer, in the discharge of his duty, pickets or parades in or near a building housing a court of the United States, or in or near a building or residence occupied or used by such judge, juror, witness, or court officer, or with such intent uses any sound-truck or similar device or resorts to any other demonstration in or near any such building or residence, shall be fined under this title or imprisoned not more than one year, or both.”