Mexico’s government says Nemesio Oseguera Cervantes, known as “El Mencho,” has been killed.

•? ?Oseguera Cervantes led the Jalisco New Generation Cartel (CJNG), one of Mexico’s most powerful and violent criminal organizations.

•? ?Details surrounding his death were not immediately released.

•? ?Officials warn his death could trigger internal power struggles and renewed violence as factions compete for control.