Sinaloa Cartel

The Sinaloa Cartel emerged in the late 1980s from the fragmentation of the Guadalajara Cartel, consolidating control over trafficking routes through the northwestern Mexican state of Sinaloa under leaders including Joaquin 'El Chapo' Guzman and Ismael 'El Mayo' Zambada. It built a vertically integrated smuggling network moving cocaine, heroin, methamphetamine and fentanyl into the United States, generating billions of dollars in annual revenue and corrupting police, military and political officials at every level of the Mexican state. Following President Felipe Calderon's December 2006 military offensive against the cartels, the Sinaloa Cartel became the dominant force in the ensuing Mexican Drug War, fighting the Mexican Armed Forces and rival organizations including the Jalisco New Generation Cartel (CJNG) for control of trafficking corridors. A 2024 internal rupture, following the US arrest of Zambada and a son of El Chapo, split the cartel into warring factions ('Chapitos' loyalist and 'Mayiza' factions), fueling intense violence in Sinaloa state into 2025-2026.

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