Nemesio Oseguera Cervantes, known as “El Mencho

 

Nemesio Oseguera Cervantes, known as “El Mencho

Nemesio Rubén Oseguera Cervantes, the notorious founder and leader of the Jalisco New Generation Cartel (CJNG), was reportedly killed by the Mexican army on Sunday, February 22, 2026.

 

Here are the key details surrounding his death and career:

Recent Events

Death in Military Raid: "El Mencho" was fatally wounded during a Mexican special forces operation in Tapalpa, Jalisco. He died while being airlifted to Mexico City for medical treatment.

Widespread Retaliation: Following the news, CJNG members launched a wave of violence across at least 20 Mexican states, including Jalisco, Michoacán, and Guanajuato. Cartel operatives blocked roads, burned more than 250 vehicles, and attacked businesses like supermarkets and banks.

U.S. Cooperation: The White House confirmed that U.S. intelligence support assisted the Mexican military in the operation. This occurred amid pressure from the Trump administration for Mexico to intensify its crackdown on cartels.

 

Profile & Criminal Career

Most Wanted: Before his death, El Mencho was the most-wanted man in Mexico and a top target for the U.S. government, which offered a $15 million reward for his capture.

Rise of the CJNG: A former police officer, he founded the CJNG around 2009. Under his leadership, it became one of the world’s most powerful and violent criminal organizations, specializing in the trafficking of fentanyl, methamphetamine, and cocaine.

Methods: He was notorious for "military-style" aggression, including using rocket-propelled grenades to down an army helicopter in 2015 and executing high-profile assassinations of government officials.

Personal Background: Born on July 17, 1966, in Michoacán, he previously served time in a U.S. prison in the 1990s for heroin distribution before being deported back to Mexico.

Authorities have warned of continued instability as internal power struggles may emerge within the "decapitated" cartel.