Nemesio Rubén Oseguera Cervantes — known as "El Mencho" — was the boss of one of the fastest-growing criminal networks in Mexico.

Operation targeting Nemesio ‘El Mencho’ Oseguera Cervantes triggers widespread violence, leaving 25 National Guard troops dead, while governments worldwide urge caution - Anadolu Ajansı

The Mexican army says it has killed the powerful leader of the Jalisco New Generation Cartel in a military operation

The Jalisco Cartel New Generation (CJNG) is a transnational criminal group, co-founded by Nemesio Oseguera Cervantes, aka “El Mencho.” Here's all you need to know about CJNG leadership, franchise model and money laundery networks.

Nemesio Rubén Oseguera Cervantes, known as “El Mencho,” headed the cartel, which is a major source of drugs coming to Chicago and elsewhere in the United States, according to the DEA.

Cartel violence erupted across Mexico this weekend after the Mexican military killed the leader of the Jalisco New Generation Cartel. Officials closed schools in multiple states and urged residents to stay indoors to avoid cartel violence.

Mexican security forces kept up their battle with cartel gunmen following the killing that sparked a surge in violence and put the country on edge. Authorities said more than 70 people died in the attempt to capture Nemesio Oseguera Cervantes and the aftermath.

The death of the notorious Mexican cartel leader known as "El Mencho" has thrown parts of Mexico into chaos. A global intelligence expert is providing analysis on the violence in Mexico.

The leader of the notorious Jalisco New Generation cartel who was killed during a military raid on Sunday was the most wanted drug boss in both Mexico and the US and rose up the ranks from lead assassin to kingpin through a carefully orchestrated,

CNN’s Valeria León breaks down how Nemesio “El Mencho” Oseguera Cervantes became Mexico’s most-wanted cartel boss and the head of the Jalisco New Generation Cartel and why he was killed in a Mexican military operation.

Gunmen took to the streets in Mexico to set off a wave of violence after the killing of Nemesio Oseguera Cervantes, also called El Mencho, one of the most wanted drug kingpins in the country