Nemesio Rubén Oseguera Cervantes, known as "El Mencho," was the leader of the notorious Jalisco New Generation Cartel prior to his death on Sunday.

Rep. Dan Crenshaw calls reported death of "El Mencho," head of Mexico's CJNG cartel, a major win against deadly fentanyl trafficking to U.S. streets.

Mexican officials said intelligence linked to a girlfriend helped track down cartel leader Nemesio “El Mencho” Oseguera Cervantes before he was killed in a February 22 military raid. Viral social media claims that influencer María Julissa betrayed him remain unverified,

Who is the girlfriend of Rubén Nemesio Oseguera Cervantes “El Mencho”? She helped locate the cartel leader.

Mexican drug lord El Mencho sowed death and destruction south of the border — but the evil drug kingpin also left his mark on Los Angeles. Federal Drug Enforcement Agency officials pointed the finger at the leader of Mexico’s New Generation Cartel,

Nemesio Oseguera was in hiding in the mountains of Jalisco with a dozen bodyguards. It was a visit from one of his “sentimental partners” that allowed authorities to locate and kill him in an operatio

The helicopters came low over the tree line at first light, rotors beating the humid air above the mountains of southern Jalisco, a region long whispered about in Mexican intelligence briefings as the nerve centre of a deadly cartel.

Mexican forces killed cartel boss "El Mencho" and seized rocket launchers capable of downing aircraft, revealing CJNG's extensive military arsenal.