1. Short title This Act may be cited as the Homeland Security Fentanyl Enforcement Act . 2. Empowering Homeland Security Investigations to counter drug smuggling by transnational criminal organizations (a) Powers of enforcement personnel Section 508 of the Controlled Substances Act ( 21 U.S.C. 878 ) is amended by adding at the end the following new subsection: (c) Special Agents of Homeland Security Investigations and State, Tribal, and local law enforcement officers designated by the Executive Associate Director for Homeland Security Investigations pursuant to section 401(i) of the Tariff Act of 1930 ( 19 U.S.C. 1401(i) ) shall have the powers and authorities described in subsection (a) for the enforcement of this Act, which shall be exercised in the performance of the Department of Homeland Security’s existing functions related to customs and criminal law enforcement under the Homeland Security Act of 2002. The authorization provided under this subsection shall terminate on the date that is five years after the date of the enactment of this subsection. . (b) Review and report on the deconfliction policies and practices of the Drug Enforcement Administration and Homeland Security Investigations regarding drug investigations (1) Review The Comptroller General of the United States shall conduct a review of the deconfliction policies and practices between the Drug Enforcement Administration and Homeland Security Investigations that— (A) determines whether there is documented reciprocity between the Drug Enforcement Administration and Homeland Security Investigations in the policies and practices for deconfliction of investigations and operations carried out in accordance with the authorities set forth in the Controlled Substances Act and the Homeland Security Act of 2002