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How tracking El Mencho's girlfriend ensnared Mexico's dreaded drug lord
Investigators reportedly tracked a close aide linked to the drug lord's partner

How tracking El Mencho's girlfriend ensnared Mexico's dreaded drug lord

Feb 24, 2026
11:52 am

What's the story

Nemesio Ruben Oseguera Cervantes, the notorious leader of the Jalisco New Generation Cartel (CJNG), was killed in a military operation in Mexico. The operation was aided by intelligence gathered from monitoring the movements of a close aide linked to his romantic partner, which led authorities to a remote compound near Tapalpa, Jalisco. Mexican Defense Minister Ricardo Trevilla revealed that investigators tracked a close aide linked to Oseguera's partner and monitored her movements to the rural compound.

Operation details

Oseguera was shot while trying to escape

After the aide left the compound, authorities believed Oseguera was still inside under heavy guard. They decided to launch a military operation. The next day, security forces surrounded the property but were met with gunfire from Oseguera's bodyguards. In the ensuing chaos, Oseguera fled into a nearby forest, to be found seriously injured along with his bodyguards later.

Aftermath

Operation triggers violence across western Mexico

The operation led to a wave of violence across western Mexico, with CJNG gunmen blocking roads and attacking security forces. Security Minister Omar Garca Harfuch confirmed that at least 25 National Guard members were killed in Jalisco state on Sunday. The violence was also directed by senior CJNG figures trying to destabilize government response efforts.

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US involvement

US provided intelligence support for operation

The United States provided intelligence support for the operation but did not participate directly. President Claudia Sheinbaum emphasized that Mexican forces planned and executed the raid independently. Oseguera died while being flown to a medical facility. His bodyguards also succumbed to their injuries during evacuation efforts.

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Future implications

Concerns over power vacuum in CJNG

The killing of Oseguera has raised concerns about a potential power vacuum in the CJNG. Chris Dalby, an organized crime expert, said if no one can fill Oseguera's shoes, it could lead to increased violence as lieutenants may form their own factions. Some sources have suggested that El Mencho's stepson, Juan Carlos, could be a possible successor who might keep the cartel united.

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