Nemesio 'El Mencho' Oseguera Cervantes
Nemesio 'El Mencho' Oseguera Cervantes, founder and leader of the Jalisco New Generation Cartel (CJNG). He was killed during a Mexican military operation in Jalisco on 22 February 2026. United States Drug Enforcement Administration DEA

In Tapalpa, a pine-covered mountain town in Mexico's western state of Jalisco — a place often sold to city dwellers as a quiet escape — the calm did not last. Before dawn on Feb. 22, Mexican forces moved in on a property believed to be sheltering Nemesio Oseguera Cervantes, better known as 'El Mencho.' Hours later, Mexico's most notorious cartel boss was dead, and the country was burning tyres on highways once again.

That is the hard news, the part that does not care about myth. El Mencho, 59, led the Jalisco New Generation Cartel, often abbreviated as CJNG, and Mexican authorities say he was seriously injured during the raid and died during an air transfer to Mexico City.

The operation, according to Reuters, was supported by 'complementary information' from US authorities and involved a US military-led intelligence task force focused on drug cartels.​ The question that always follows the fall of a kingpin is clear: how wealthy was he, and who will inherit the machinery?

There is no audited balance sheet for a cartel leader. Over the years, US officials have offered estimates, which have become the closest thing to a public benchmark.

An archived Univision report cited DEA agent Kyle Mori estimating in 2019 that El Mencho possessed at least $500 million, with his fortune potentially exceeding $1 billion. That range has been widely repeated, including in later summaries of the DEA's assessment of his wealth.

If that figure seems obscene, it is — but it also provides a clue to the scale involved. CJNG is not a back-alley outfit. Reuters noted the group's reach and the way its operations have helped transform it into one of Mexico's most powerful criminal organisations, with violence capable of locking down entire regions on command.

For readers outside Mexico, it helps to remember that cartel 'wealth' is not only cash. It is logistics, bribery networks, weapons, corrupt access and the ability to move people and product across borders. That infrastructure can outlive a single man.​

El Mencho's Family and the CJNG Inner Circle

El Mencho's personal life has always been treated like strategic information, not celebrity trivia. Al Jazeera reported he was believed to be a former police officer from Michoacán and that he built a criminal enterprise over more than 30 years, founding CJNG around 2009.​

Reports commonly name his wife as Rosalinda González Valencia and link her family, known as Los Cuinis, to CJNG's finances, though the illegal nature of the network makes public verification difficult. The same reporting typically identifies three children: Rubén Oseguera González, known as 'El Menchito,' as well as Jessica Johana Oseguera and Laisha Oseguera.

Here is what matters about those names: in cartel structures, 'family' is not just blood — it represents succession planning, leverage and vulnerability all at once. That is why the aftermath of a kingpin's death can turn murderous, even by Mexico's exhausted standards.

How El Mencho Died and What Followed

Al Jazeera reported that Mexican forces tracked El Mencho to Tapalpa after intelligence linked to a close associate, then launched a predawn raid that triggered hours of gun battles and sparked violence across several states. Reuters similarly reported that the operation was intended to capture him, but he was seriously injured and died during an airlift to Mexico City.

The retaliation was immediate and theatrical. Reuters described burning vehicles and armed roadblocks across more than seven states following the raid. CNN reported that the Mexican defence ministry stated four CJNG affiliates were killed at the scene, and that El Mencho and two others later died of their injuries during transfer.

This is the ugly loop Mexico has lived through for years. Authorities target a leader, the organization answers with chaos, and ordinary people are left calculating whether it is safer to go to work or stay home.

A timeline graphic beside this story would convey more than any amount of breathless narration: Feb. 20, when Al Jazeera reported that authorities began surrounding the site based on new intelligence; Feb. 22, the raid and El Mencho's death; and the subsequent spread of roadblocks and arson across multiple states.