Mexico Grapples with Aftermath of ‘El Mencho’s’ Death, Security Concerns Rise

The death of Nemesio Oseguera Cervantes, known as “El Mencho,” leader of the Jalisco Fresh Generation Cartel (CJNG), has triggered a wave of violence and disinformation across Mexico, raising concerns about security, particularly as the country prepares to co-host the FIFA World Cup in 2026. The Mexican military killed El Mencho in Guadalajara on February 23, 2026, after tracking him to the town of Tapalpa in central Mexico .

Wave of Violence and Disinformation

Following the military operation, widespread violence erupted, with cartel members blocking roads and attacking security forces, primarily in the states of Jalisco and Michoacán. At least 25 soldiers and 34 cartel gunmen were killed in the ensuing clashes . Roads outside the capital of Jalisco state were blocked with burnt-out trucks, buses, and cars . Although the violence had largely subsided by February 24, isolated incidents continued to be reported.

Adding to the instability, online disinformation fueled panic in the wake of El Mencho’s death .

Political Fallout and International Implications

The situation has drawn international attention, with Mexican President Claudia Sheinbaum discussing El Mencho’s capture with former U.S. President Donald Trump . Sheinbaum has likewise faced criticism and accusations of ties to cartels, notably from Elon Musk, and is considering legal action in response .

A separate incident involving the Cuban Coast Guard, who killed four people on a U.S. Speedboat, has further complicated the regional security landscape, occurring shortly after the U.S. Authorized the shipment of Venezuelan oil to the island .

World Cup Security Assurances

Despite the recent unrest, President Sheinbaum has affirmed that there is “no risk” to visitors traveling to Mexico for the 2026 FIFA World Cup games scheduled to be held in Mexico City, Monterrey, and Guadalajara .