Mexican military kills cartel boss ‘El Mencho’ in US-backed raid

One of Mexico’s most notorious drug lords, Nemesio Oseguera, or “El Mencho,” was killed in a military raid on Sunday, sparking widespread retaliatory violence.

President Claudia Sheinbaum has been under mounting pressure from Washington to intensify her offensive against drug cartels blamed for producing and smuggling drugs, particularly the synthetic opioid fentanyl, across the border to the U.S.

Oseguera, 60, the mastermind of the powerful Jalisco New Generation Cartel (CJNG)...