Nemesio Oseguera Cervantes, commonly known as 'El Mencho', is portrayed as one of Mexico's most notorious drug lords and the head of the Jalisco New Generation Cartel (CJNG). Over the years, he has significantly expanded the cartel's operations both within Mexico and internationally, establishing it as one of the most powerful criminal organizations in the country. His influence in the narcotics trade has made him the most wanted drug trafficker in the United States. Despite his criminal activities, 'El Mencho' managed to evade capture for years, solidifying his position at the forefront of Mexico's ongoing drug wars.

In his attempts to dominate the narcotics market, 'El Mencho' adopted violent tactics, challenging state authority like few others did. The CJNG, under his leadership, has engaged in various high-profile attacks against law enforcement, reflecting the brutal nature of the cartel's operations. This has led to ongoing violence in Mexico as rivalries between cartels and government forces escalate.

The article also touches upon 'El Mencho's recent death during an army operation, which is expected to impact the dynamics of cartel power in Mexico. With his demise, questions arise about the future leadership of the CJNG and the potential for increased instability in the region as rival factions may vie for control. As drug trafficking and violence remain critical issues in Mexico, 'El Mencho's story highlights the complexities of the narcotics landscape and the ongoing conflict between crime and law enforcement efforts in the country.