; or (C) the importation for, manufacture for, sale to, transfer to, or possession by a licensed manufacturer or licensed importer for the purposes of testing or experimentation authorized by the Attorney General. (3) For purposes of paragraph (2)(A), the term campus law enforcement officer means an individual who is— (A) employed by a private institution of higher education that is eligible for funding under title IV of the Higher Education Act of 1965 ( 20 U.S.C. 1070 et seq. ); (B) responsible for the prevention or investigation of crime involving injury to persons or property, including apprehension or detention of persons for such crimes; (C) authorized by Federal, State, or local law to carry a firearm, execute search warrants, and make arrests; and (D) recognized, commissioned, or certified by a government entity as a law enforcement officer. . (b) Seizure and forfeiture of firearm silencers and firearm mufflers Section 924(d) of title 18, United States Code, is amended— (1) in paragraph (1), as amended by section 516 of this Act, by striking or (cc) and inserting (cc), or (ee) ; and (2) in paragraph (3)(E), as amended by section 512 of this Act, by inserting 922(cc), after 922(w), . 523. Penalties Section 924(a)(1)(B) of title 18, United States Code, as amended by section 516 of this Act, is amended by striking or (cc) and inserting (cc), or (ee) . 524. Use of Byrne grants for buy-back programs for firearm silencers and firearm mufflers