US-Mexico investigation leads to synthetic drug lab in Nuevo León

A joint investigation by federal authorities and the United States Drug Enforcement Administration (DEA) resulted in the arrest of the owner of a chemical company and the seizure of a Nuevo León laboratory believed to be manufacturing fentanyl.

Guadalupe Almaguer was arrested in García, Nuevo León, after a search of two facilities owned by the chemist’s firm, Ampex Chemicals.

Federal agents found a laboratory equipped with instruments, machinery, chemical substances, notebooks filled with handwritten notes and a refrigerator in one of the buildings, located in the Ciudad Mitras industrial park.

Officials also found barrels, boxes, jars and storage racks, all of which led authorities to believe that fentanyl was being produced in the laboratory.

The Attorney General’s Office described it as the biggest seizure in Mexican history due to the lab’s production capacity.

Fentanyl is considered to be up to 50 times more potent than heroin and its use has led to the deaths of thousands of people in Mexico and the United States.

Source: Milenio (sp), La Jornada (sp)

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Manzanillo, Colima, México, 13 de marzo de 2026. La doctora Claudia Sheinbaum Pardo, presidenta Constitucional de los Estados Unidos Mexicanos en conferencia de prensa matutina, “Conferencia del Pueblo” desde Colima. La acompañan Indira Vizcaíno Silva, gobernadora Constitucional del Estado de Colima; Omar García Harfuch, secretario de Seguridad y Protección Ciudadana (SSPC); Raymundo Pedro Morales Ángeles, secretario de Marina (Semar); Bulmaro Juárez Pérez, divulgador de lenguas originarias, presentador de la sección “Suave Patria”; Ricardo Trevilla Trejo, secretario de la Defensa Nacional (Sedena); Jesús Antonio Esteva Medina, secretario de Infraestructura, Comunicaciones y Transportes; Bryant Alejandro García Ramírez, fiscal general del Estado de Colima; Fabián Ricardo Gómez Calcáneo; Rocío Bárcena Molina, subsecretaria de Desarrollo Democrático, Participación Social y Asuntos Religiosos de la Secretaría de Gobernación; Efraín Morales López, director general de la Comisión Nacional del Agua (Conagua); Marcela Figueroa Franco, secretaria ejecutiva del Sistema Nacional de Seguridad Pública (SESNSP) y Guillermo Briseño Lobera, comandante de la Guardia Nacional (GN). Foto: Saúl López / Presidencia

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