The Death of El Mencho: Implications for Mexico's Drug War

On February 22, 2026, Mexican security forces killed Nemesio Oseguera Cervantes, known as "El Mencho," the leader of the Jalisco New Generation Cartel (CJNG), during an operation in Tapalpa, Jalisco. His death marks a significant moment in Mexico's ongoing battle against drug cartels, as El Mencho had been one of the most powerful and elusive drug lords for over a decade. His cartel, which has expanded its influence globally, is notorious for trafficking cocaine, methamphetamine, and other illicit substances, as well as engaging in various criminal enterprises, including extortion and illegal mining.

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El Mencho transformed the CJNG from a splinter group of the Milenio Cartel into Mexico's most formidable criminal organization. By forming alliances with smaller gangs, he extended the cartel's reach across the country and beyond. His leadership was characterized by a calculated use of violence, which has been described as "narco-terrorism." The cartel's operations have had a profound impact on communities, contributing to widespread fear and instability.

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Following El Mencho's death, Mexico experienced a surge of violence as cartel operatives retaliated. Reports indicated that armed groups blocked roads and set fire to businesses across multiple states, including Jalisco and Guadalajara. The Mexican government confirmed that at least nine other cartel members were killed during the operation, and the total casualty count has risen to approximately 70, including both gang members and security forces. This unrest raises concerns about potential power struggles within the cartel and the broader implications for public safety.

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President Claudia Sheinbaum of Mexico has been under pressure from the United States, particularly from President Donald Trump, who has demanded a more aggressive approach to dismantling drug cartels. Following El Mencho's killing, Sheinbaum's administration has indicated a commitment to continuing its offensive against organized crime. Analysts suggest that while the death of a key figure may disrupt the cartel temporarily, it is unlikely to eradicate the organization entirely.

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Critics argue that the Mexican government's strategy of targeting cartel leaders has historically led to increased violence and instability. The killing of El Mencho may not lead to a long-term solution, as past operations have often resulted in rival factions vying for control, potentially exacerbating the violence. Experts emphasize the need for a more comprehensive approach that addresses the underlying issues fueling the drug trade.

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The future of the CJNG remains uncertain. The cartel's ability to appoint a successor quickly will determine whether it can maintain its operations or fragment into competing factions. Additionally, the Mexican government faces the challenge of sustaining its efforts against both the CJNG and its rival, the Sinaloa Cartel, amidst a backdrop of escalating violence.

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• “They created a new generation of doing things differently,” — Carlos Pérez Ricart, Expert at the Center for Economic Research and Teaching

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