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February 23, 2026

El Mencho: Key Figure in Mexico’s Drug Trafficking Landscape Killed

The CSR Journal Magazine

Nemesio Oseguera Cervantes, widely known as El Mencho, the leader of the Jalisco New Generation Cartel, was confirmed dead following a government raid on a location in Tapalpa, Jalisco. The operation aimed to arrest him but resulted in fatal injuries during the confrontation. He succumbed to his wounds while being transported to Mexico City for urgent medical care. His death triggered widespread violence across Mexico, as armed groups responded by blocking roads and igniting fires at various commercial establishments such as supermarkets and banks. In the immediate aftermath of the incident, Jalisco state suspended public transportation services, and Nayarit state opted to cancel classes on the following day. This level of unrest marks one of the most intense episodes of violence in recent times.

Background of El Mencho

El Mencho, a former police officer at the age of 59, was considered Mexico’s most wanted criminal and hailed from Michoacán. His involvement in organized crime spanned over three decades. In 1994, he faced charges for heroin trafficking in the United States, leading to a three-year prison sentence. Following his release, he quickly ascended the ranks within the illicit drug trade. In 2009, he established the Jalisco New Generation Cartel, which rapidly became one of the country’s most influential criminal organizations, specializing in the trafficking of substances including cocaine, methamphetamines, and fentanyl, along with human smuggling operations. The U.S. issued multiple indictments against him, offering a bounty of $15 million for any information leading to his arrest. The Trump administration classified both him and his cartel as foreign terrorist organizations approximately one year prior to his death.

The Jalisco New Generation Cartel’s Operation

The Jalisco New Generation Cartel (CJNG) emerged in the late 2000s as a splinter group from the powerful Sinaloa Cartel. It quickly established itself as a major player in Mexico’s drug trafficking landscape, recognized for its aggressive tactics and operational reach. The cartel’s influence has extended into at least 21 of Mexico’s 32 states and maintains a presence in nearly every state in the United States, in addition to international operations. Mainly concentrated in western regions such as Jalisco, Nayarit, and Colima, the cartel boasts estimated assets exceeding $20 billion. Comprised of approximately 15,000 to 20,000 members, the CJNG generates billions from various illegal enterprises, including drug trafficking, extortion, and human smuggling. Its strategic innovations in violent tactics include the use of drones and explosives. The cartel’s ongoing confrontations with rival groups have exacerbated violence in numerous Mexican cities, contributing to a national security crisis.

The Future of the Cartel

Under the leadership of President Claudia Sheinbaum, Mexico has intensified its anti-cartel campaign, the most aggressive in over ten years. El Mencho’s death may affect relations with the United States, particularly with President Donald Trump’s administration. The future state of the CJNG heavily hinges on the potential succession plan within the organization. It remains uncertain who, if anyone, can effectively maintain the cartel’s extensive operations across multiple jurisdictions. Observers suggest that if family members step into leadership roles, the violence witnessed could persist. Alternatively, there remains hope that an organized transition could mitigate continued unrest. A significant concern is the possibility of escalating narcoterrorism reminiscent of Colombia in the 1990s, which involved indiscriminate acts including bombings and targeted assassinations. The lack of a clear successor may also lead to increased fragmentation within the organization, raising the likelihood of further instability and violence within the region.

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