Mexico's military killed Nemesio Ruben Oseguera Cervantes, known as "El Mencho," the longtime leader of the Cártel Jalisco Nueva Generación (CJNG), during an operation of the Mexican Army on Sunday, Feb.

Nemesio Rubén Oseguera Cervantes, also known as "El Mencho," had a $15 million U.S. bounty on his head.

A National Drug Threat Assessment report by the DEA found that the cartel wields influence in cities from New York to Los Angeles.

Following El Mencho’s death, the CJNG faces a new era of succession and potential fragmentation. Learn who could lead the cartel and its criminal operations in Mexico.

Cartel boss El Mencho's death triggered a wave of cartel reprisals across Mexico yesterday, raising urgent security questions just weeks before the 2026 FIFA World Cup playoffs are set to begin in Guadalajara.

They’re responsible for part of the homelessness,” said Bill Bodner, former Special Agent in Charge of DEA Los Angeles.

The killing of Jalisco cartel boss Nemesio Oseguera, aka “El Mencho,” could fuel a turf war among drug-trafficking gangs in Mexico, analysts say, with the rival Sinaloa cartel already riven by infighting.

The Jalisco New Generation Cartel's reprisal against Mexican authorities for the killing of its leader highlights the threat of the powerful group armed with military weapons and billions in wealth.

By Laura Gottesdiener and Emily Green MEXICO CITY, Feb 23 (Reuters) - The Mexican military raid that killed the country's most wanted cartel leader on Sunday was President Claudia Sheinbaum's biggest bet yet,