Why it matters: President Trump has for months pressed Mexican officials to target drug cartels and the U.S. had offered a reward of up to $15 million for information leading to the arrest of Oseguera Cervantes, known as "El Mencho," who led the Jalisco New Generation Cartel (CJNG) — a designated terrorist organization in the United States.

Mexico killed drug lord El Mencho, then coordinated violence broke out across 20 states that led to fires, roadblocks and major disruptions nationwide.

He is identified as the top leader of the Jalisco New Generation Cartel, commonly known as CJNG. Under his leadership, the group evolved from a

El Mencho consolidated Mexico’s most powerful criminal organisations in part due to a unique franchise-based structure.

HOUSTON — Violence and unrest have spread across Mexico following the death of Jalisco New Generation Cartel (CJNG) leader Nemesio Rubén Oseguera Cervantes, known as “El Mencho.” Authorities confirm Oseguera died during a joint operation involving Mexican forces and U.S. intelligence support.

El Mencho or Nemesio Rubén Oseguera Cervantes was killed by the Mexican military on Sunday, dealing a huge blow to Jalisco New Generation Cartel (CJNG). | World News

The security crisis in the Mexican state of Jalisco continued, with 23 inmates still at large, at least 41 people detained iand new highway blockades.