Nemesio Oseguera Cervantes, better known as 'El Mencho', was killed during a federal police operation in Tapalpa, Mexico. He was considered one of the most wanted criminals by both Mexican and US authorities, with a bounty of $15 million issued by the US for information leading to his capture. The government of Mexico confirmed the operation took place in a region that has been plagued by violence due to cartel activity.

The Jalisco New Generation Cartel, under 'El Mencho's' leadership, has been involved in extensive drug trafficking, particularly fentanyl, contributing to the opioid crisis affecting the United States. US officials had accused him of overseeing a reign of terror in Mexico, resulting in widespread violence and disruption in various communities. His death is seen as a significant blow to the CJNG, which has been notorious for its ruthlessness and violent conflicts with rival gangs.

In the ongoing fight against powerful drug trafficking organizations, this operation reflects the determination of Mexican authorities to crack down on organized crime and potentially signal a shift in the landscape of cartel leadership in the country. However, the implications for security and violence in the region remain uncertain, as power vacuums typically lead to further conflict among rival factions. The government has not yet disclosed whether additional arrests or casualties occurred during the operation, which remains an area of active investigation.