Whoever moves or travels in interstate or foreign commerce with intent either (1) to avoid prosecution, or custody, or confinement after conviction, under the laws of the place from which he flees, for willfully attempting to or damaging or destroying by fire or explosive any building, structure, facility, vehicle, dwelling house, synagogue, church, religious center or educational institution, public or private, or (2) to avoid giving testimony in any criminal proceeding relating to any such offense shall be fined under this title or imprisoned not more than five years, or both.