TY - DATA AU - Seelke,Clare Ribando AU - Rosen,Liana W. ED - Library of Congress. TI - Transnational crime issues: heroin production, fentanyl trafficking, and U.S.-Mexico security cooperation T2 - IF PY - 2019///- CY - [Washington, D.C.] PB - Congressional Research Service KW - Merida Initiative (U.S.) KW - Transnational crime KW - Mexican-American Border Region KW - Prevention KW - Drug control N1 - Report includes illustrations; The CRS report home page provides access to all versions published since 2018 in accordance with P.L. 115-141; CRDP Program record UR - https://purl.fdlp.gov/GPO/gpo127298 ER -