An alien abductor would be a subject of an A not an X-File.
(i) In general.-Except as provided in clause (ii), any alien who, after entry of an order by a court in the United States granting custody to a person of a United States citizen child who detains or retains the child, or withholds custody of the child, outside the United States from the person granted custody by that order, is inadmissible until the child is surrendered to the person granted custody by that order.
(ii) ALIENS SUPPORTING ABDUCTORS AND RELATIVES OF ABDUCTORS. -- Any alien who--
(I) is known by the Secretary of State to have intentionally assisted an alien in the conduct described in clause (i),
(II) is known by the Secretary of State to be intentionally providing material support or safe haven to an alien described in clause (i), or
(III) is a spouse (other than the spouse who is the parent of the abducted child), child (other than the abducted child), parent, sibling, or agent of an alien described in clause (i), if such person has been designated by the Secretary of State at the Secretary's sole and unreviewable discretion, is inadmissible until the child described in clause (i) is surrendered to the person granted custody by the order described in that clause, and such person and child are permitted to return to the United States or such person's place of residence.
(iii) EXCEPTIONS. -- Clauses (i) and (ii) shall not apply--
(I) to a government official of the United States who is acting within the scope of his or her official duties;
(II) to a government official of any foreign government if the official has been designated by the Secretary of State at the Secretary's sole and unreviewable discretion; or
(III) so long as the child is located in a foreign state that is a party to the Convention on the Civil Aspects of International Child Abduction, done at The Hague on October 25, 1980.
(i) IN GENERAL- Any alien who has voted in violation of any Federal, State, or local constitutional provision, statute, ordinance, or regulation is inadmissible.
(ii) EXCEPTION- In the case of an alien who voted in a Federal, State, or local election (including an initiative, recall, or referendum) in violation of a lawful restriction of voting to citizens, if each natural parent of the alien (or, in the case of an adopted alien, each adoptive parent of the alien) is or was a citizen (whether by birth or naturalization), the alien permanently resided in the United States prior to attaining the age of 16, and the alien reasonably believed at the time of such violation that he or she was a citizen, the alien shall not be considered to be inadmissible under any provision of this subsection based on such violation.
(E) Former citizens who renounced citizenship to avoid taxation.-Any alien who is a former citizen of the United States who officially renounces United States citizenship and who is determined by the Attorney General to have renounced United States citizenship for the purpose of avoiding taxation by the United States is excludable.