Tension High Following Operation Against Jalisco Cartel Leader
The recent killing of Nemesio Oseguera Cervantes, widely known as "El Mencho" and the leader of the Jalisco New Generation Cartel (CJNG), marks a significant moment in Mexico's ongoing efforts to combat drug trafficking. The operation, which involved the Mexican military and was reportedly supported by US intelligence, has intensified scrutiny on the country's security strategy. El Mencho's death, if confirmed, represents a substantial blow to one of the most powerful criminal organizations operating globally.

Details of the Operation and El Mencho's Death
Reports indicate that Nemesio Oseguera Cervantes was killed on Sunday, February 22, 2026, during a Mexican military operation in Tapalpa, Jalisco. The operation was aimed at apprehending him.

Location: The clash occurred in Tapalpa, a town in Jalisco, located approximately two hours southwest of Guadalajara.
Injuries and Death: According to official statements from Mexico's Defense Ministry, Oseguera Cervantes was seriously injured during the shootout. He subsequently died while being transferred by air to Mexico City.
Other Casualties: The operation resulted in the deaths of six other suspected cartel members. Additionally, three soldiers were wounded. Two cartel members were apprehended during the operation.
The Role of US Intelligence
The United States played a role in the operation, with reports confirming that US intelligence provided information that assisted Mexican forces. This support comes amid a period of increased pressure from the US, specifically from the Trump administration, on the Mexican government to intensify its crackdown on drug trafficking. The US had previously threatened direct intervention if Mexico did not increase its efforts.
Read More: Mexico CJNG Cartel Violence Spreads to 28 States Causing Roadblocks and Attacks

Jalisco New Generation Cartel (CJNG) and El Mencho's Influence
Nemesio Oseguera Cervantes, a former police officer, rose to become the elusive leader of the CJNG. The cartel is known for:

Fentanyl Trafficking: It is a major supplier of fentanyl and other drugs to the United States, generating billions in revenue.
Territorial Control: The CJNG controls large areas of territory, particularly in Jalisco and Michoacán.
Criminal Enterprises: Beyond drug trafficking, the cartel is involved in extensive fuel smuggling and other illicit activities across Mexico and the US.
Tactics: El Mencho was known for employing sophisticated paramilitary tactics and commanding a well-equipped and trained group of gunmen. The DEA considers the CJNG to be a rival to the Sinaloa Cartel.
Response and Subsequent Violence
Following the news of El Mencho's death, Mexican National Guard and Army units have been deployed to reinforce security in Jalisco and neighboring states. The violence associated with the operation appears to have spread, as US and Canadian airlines cancelled dozens of flights to Mexico due to the unrest. Social media videos showed cars ablaze and dark smoke rising into the sky on roads in Jalisco, indicative of the heightened conflict.
Conflicting Accounts and Unanswered Questions
While official reports detail the outcome of the operation, some aspects remain open to further clarification. The exact sequence of events leading to Oseguera Cervantes' fatal injuries is based on official statements. The extent of the violence and its impact on civilian areas are subjects that warrant continued observation. The long-term implications for the CJNG and the broader drug trade in Mexico are also subjects of ongoing analysis.
Read More: Secret Service Report on Mass Violence Shows 72% of Attackers Faced Money Problems
Expert Analysis
“The death of a figure like El Mencho, if it proves definitive, would represent a major disruption to the CJNG’s leadership structure. However, cartel operations are often designed to be resilient, with established hierarchies that can absorb such losses.”
“The US support in this operation highlights the complex interdependencies between US anti-drug efforts and Mexican security operations. The involvement of intelligence sharing is crucial, but it also raises questions about sovereignty and the level of US influence in Mexican law enforcement.”
Conclusion and Implications
The reported death of Nemesio Oseguera Cervantes, "El Mencho," is a significant development in the long-standing battle against drug cartels in Mexico. The operation, which benefited from US intelligence support, resulted in casualties on both sides and appears to have triggered a rise in localized violence. The long-term impact on the CJNG's operations and its ability to continue supplying drugs to the United States remains to be seen. Further official confirmation and analysis of the cartel's structural response will be critical in understanding the full implications of this event. Mexican authorities have called for calm amidst the ongoing security measures.
Sources Used:
USA Today: Reports on the death of Oseguera during a shootout in Jalisco, noting US intervention threats.
Fox News: Details the operation in Jalisco, identifying El Mencho as the leader of CJNG and a fentanyl supplier.
France 24: Confirms the killing of El Mencho by the Mexican army during an operation to capture him, mentioning wounded soldiers.
BBC News: States that US intelligence provided information that assisted the operation and identifies El Mencho as the leader of CJNG.
Timesnownews.com: Describes El Mencho's influence, the cartel's operations, and the pressure from the US administration.
PBS NewsHour: Provides details on Oseguera Cervantes being wounded in Tapalpa, Jalisco, and dying en route to Mexico City, with mentions of calls for calm.
El País (English): Reports on the killing of Nemesio Oseguera, identified as a world's most wanted drug lord, in a security operation.