How The Death Of Ignatio "Nacho" Coronel's Changed The Course For The Sinaloa Cartel (Part 2)

The July 2010 killing of Ignacio “Nacho” Coronel by the Mexican Army delivered what the DEA described as a crippling blow to the Sinaloa Cartel’s internal structure, especially its control over trafficking corridors through western Mexico. Coronel’s death fractured the cartel’s ties with the Milenio Cartel, creating a power vacuum that triggered infighting and splintering. Rival groups quickly emerged from the chaos—most notably the Jalisco New Generation Cartel (CJNG) and La Resistencia—each fighting to inherit Coronel’s lucrative networks and territories.

This shift ignited a violent struggle for dominance across Jalisco and surrounding states, with no central authority to enforce order. The instability produced a surge in violence as new groups challenged Sinaloa’s dominance, reshaping Mexico’s organized crime landscape. In the long run, the CJNG rose from this vacuum to become one of the most powerful rivals to the Sinaloa Cartel, a trajectory that can be traced directly to the fallout from Coronel’s death.

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Ciudad Juarez: Ignacio Coronel and What Happens After a Drug Lord is Killed - The Awl