analogues, and their immediate precursors. From the People’s Republic of China, those substances are shipped primarily through express consignment carriers or international mail directly to the United States, or, alternatively, shipped directly to trans­na­tion­al criminal organizations in Mexico, Canada, and the Caribbean. (4) In 2015, Mexican heroin accounted for 93 percent of the total weight of heroin seized in the United States, transported to the United States by transnational criminal organizations that maintain territorial influence over large regions in Mexico and remain the greatest criminal drug threat to the United States. (5) The United States and the People’s Republic of China, Mexico, and Canada have made important strides in combating the illicit flow of opioids through bilateral efforts of their respective law enforcement agencies. (6) Insufficient regulation of synthetic opioid production and export and insufficient law enforcement efforts to combat opioid trafficking in the People’s Republic of China and Mexico continue to contribute to a flood of opioids into the United States. (7) While the Department of the Treasury used the Foreign Narcotics Kingpin Designation Act ( 21 U.S.C. 1901 et seq.) to sanction the first synthetic opioid trafficking entity in April 2018, precision economic and financial sanctions policy tools are needed to address the flow of synthetic opioids. 3. Sense of Congress It is the sense of Congress that— (1) the United States should apply economic and other financial sanctions to foreign traffickers of illicit opioids to protect the national security, foreign policy, and economy of the United States