El Mencho Killed: Chaos Erupts in Mexico After Cartel Leader’s Death

The leader of the Jalisco New Generation Cartel (CJNG), Nemesio Rubén Oseguera Cervantes, known as “El Mencho,” was killed in a military operation on Sunday, February 22, 2026, in western Mexico. The operation sparked widespread violence across the country, including road blockades, vehicle burnings, and clashes between cartel members and security forces.

Who Was El Mencho?

Nemesio Rubén Oseguera Cervantes, originally from Mexico, had a history with the U.S. Legal system, entering the country illegally in the 1980s and being deported multiple times after arrests on drug charges CBS News. He rose to prominence after splintering off from the Milenio Cartel around 2011, forming CJNG, which quickly became one of Mexico’s most powerful criminal organizations CBS News.

Operation and Immediate Aftermath

The military operation to capture El Mencho took place in Tapalpa, Jalisco, approximately a two-hour drive southwest of Guadalajara ABC7 News. During the operation, troops engaged in a firefight, resulting in the deaths of four individuals at the scene. El Mencho was wounded and died while being transported to Mexico City ABC7 News. Two others were arrested, and authorities seized armored vehicles, rocket launchers, and other weapons CBS News.

In the wake of the operation, CJNG responded with a wave of violence, blocking roads at over 250 points in nearly a dozen Mexican states with burning vehicles ABC7 News. Guadalajara, Jalisco’s capital, effectively became a ghost town, and schools were canceled in several states ABC7 News.

Casualties and Disruptions

At least 14 people were reported dead, including seven National Guard troops, in Jalisco, Michoacan, and Guanajuato ABC7 News. Disruptions extended to air travel, with Air Canada and other airlines suspending flights to Puerto Vallarta due to the ongoing security situation The Christian Science Monitor.

International Response and Support

The U.S. State Department had offered a reward of up to $15 million for information leading to El Mencho’s arrest CBS News. White House Press Secretary Karoline Leavitt stated that the U.S. Government provided intelligence support for the operation, recognizing El Mencho as a key target in the fight against fentanyl trafficking ABC7 News.

CJNG and the Future of Security in Mexico

The Jalisco New Generation Cartel, established around 2009, has become one of the most powerful and rapidly growing criminal organizations in Mexico The Christian Science Monitor. It is known for its aggressive tactics, including attacks on the military, the apply of drones for explosives, and the installation of landmines The Christian Science Monitor. Analysts suggest that the successful operation against El Mencho signals a more confrontational approach by the Mexican army under the current administration and a willingness to cooperate with the U.S. On intelligence sharing ABC7 News.

The U.S. State Department has warned U.S. Citizens in several Mexican states – Jalisco, Tamaulipas, Michoacan, Guerrero, and Nuevo Leon – to remain in safe places due to the ongoing security operations The New York Times. Canada’s embassy in Mexico has also advised its citizens in Puerto Vallarta to shelter in place and maintain a low profile in Jalisco The New York Times.