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El Mencho's killing triggers immediate backlash from CJNG forces
The elimination of Nemesio Oseguera Cervantes, known as El Mencho, has ignited a wave of retaliatory violence across Mexico, with roadblocks and arson reported in at least eight states. Authorities in both Mexico and the U.S. have celebrated the operation as a major blow to the Jalisco New Generation Cartel (CJNG), though the long-term impact remains uncertain.
Cross-border operation claims notorious cartel boss
Mexican and U.S. officials confirmed that intelligence-sharing played a key role in targeting El Mencho, the elusive leader of the CJNG. His death is being framed as a symbolic victory in the fight against fentanyl trafficking, a priority for both governments. The operation reflects heightened cooperation under Mexican President Claudia Sheinbaum and U.S. President Donald Trump, potentially easing tensions over calls for unilateral U.S. military action in Mexico.
Violence erupts as cartel enforcers respond
Within hours of the announcement, CJNG affiliates launched coordinated attacks. Masked gunmen set fire to businesses in Guadalajara, a host city for this summer's FIFA World Cup, while residents in Puerto Vallarta were advised to shelter in place. Similar incidents unfolded in Guerrero, Tamaulipas, and even the outskirts of Mexico City. Analysts warn the unrest may escalate before subsiding, depending on law enforcement's next moves.
From migrant worker to cartel kingpin
Born in rural Michoacán, El Mencho's criminal career began in the 1980s after he migrated illegally to the U.S. Arrests for drug offenses led to his deportation in his 30s, after which he climbed the ranks of the Milenio Cartel. When the group splintered, he seized the opportunity to form the CJNG, transforming it into Mexico's most dominant criminal organization through territorial expansion and diversification into fentanyl production.
Power vacuum looms as rivals circle
While El Mencho's death weakens the CJNG temporarily, experts caution that lieutenants are already vying to fill the void. The cartel's rise was accelerated by the decline of the Sinaloa Cartel following the extradition of Joaquín El Chapo Guzmán and the recent arrest of his son, Joaquín Guzmán López. With the fentanyl trade in flux, the coming weeks will test whether the CJNG can maintain its grip or fractures under internal power struggles.
Political fallout and future challenges
President Sheinbaum's administration is touting the operation as proof of progress against organized crime, a key demand from Washington. However, the violent backlash underscores the persistent threat posed by cartels. As Mexico braces for potential further unrest, the focus shifts to whether authorities can contain the fallout and prevent the CJNG from regrouping under new leadership.