; (2) by adding at the end of subsection (a)(2) the following: (J) Procurement of citizenship or naturalization unlawfully Any alien convicted of, or who admits having committed, or who admits committing acts which constitute the essential elements of, a violation of, or an attempt or a conspiracy to violate, subsection (a) or (b) of section 1425 of title 18, United States Code (relating to the procurement of citizenship or naturalization unlawfully) is inadmissible. (K) Certain firearm offenses Any alien who at any time has been convicted under any law of, or who admits having committed or admits committing acts which constitute the essential elements of, purchasing, selling, offering for sale, exchanging, using, owning, possessing, or carrying, or of attempting or conspiring to purchase, sell, offer for sale, exchange, use, own, possess, or carry, any weapon, part, or accessory which is a firearm or destructive device (as defined in section 921(a) of title 18, United States Code) in violation of any law is inadmissible. (L) Aggravated felons Any alien who has been convicted of an aggravated felony at any time is inadmissible. (M) Crimes of domestic violence, stalking, or violation of protection orders, crimes against children (i) Domestic violence, stalking, and child abuse Any alien who at any time is convicted of, or who admits having committed or admits committing acts which constitute the essential elements of, a crime of domestic violence, a crime of stalking, or a crime of child abuse, child neglect, or child abandonment is inadmissible. For purposes of this clause, the term crime of domestic violence means any crime of violence (as defined in section 16 of title 18, United States Code) against a person committed by a current or former spouse of the person, by an individual with whom the person shares a child in common, by an individual who is cohabiting with or has cohabited with the person as a spouse, by an individual similarly situated to a spouse of the person under the domestic or family violence