(b)
Whoever willfully—
(1)
intimidates, coerces, threatens, or harasses a foreign official or an official guest or obstructs a foreign official in the performance of his duties;
(2)
attempts to intimidate, coerce, threaten, or harass a foreign official or an official guest or obstruct a foreign official in the performance of his duties; or
(3)
within the United States and within one hundred feet of any building or premises in whole or in part owned, used, or occupied for official business or for diplomatic, consular, or residential purposes by—
(A)
a foreign government, including such use as a mission to an international organization;
(B)
an international organization;
(C)
a foreign official; or
(D)
an official guest;
congregates with two or more other persons with intent to violate any other provision of this section;
shall be fined under this title or imprisoned not more than six months, or both.