18 U.S.C. § 1507 : US Code - Section 1507: Picketing or parading

Search 18 U.S.C. § 1507 : US Code - Section 1507: Picketing or parading

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.
Nothing in this section shall interfere with or prevent the
exercise by any court of the United States of its power to punish
for contempt.