U.S. asks citizens in Mexico to shelter after cartel leader killed
Fortune
by Maria Paula Mijares Torres, BloombergFebruary 23, 2026
AI-Generated Deep Dive Summary
The U.S. Department of State has issued a “shelter in place” alert for American citizens in parts of Mexico following the killing of Nemesio Rubén Oseguera Cervantes, known as “El Mencho,” a prominent cartel leader. The security advisory affects several states, including Jalisco, Tamaulipas, Michoacán, Guerrero, and Nuevo León. These regions have experienced significant criminal activity and road blockages since the incident, with reports of armed groups blocking intersections and burning vehicles to disrupt transportation.
The violence escalated after El Mencho’s death in a federal operation against the Jalisco New Generation Cartel. Local outlets reported that criminal groups responded by torching cars and trucks to create roadblocks across Jalisco, Michoacán, and Guanajuato. The State Department urged Americans to avoid areas near law enforcement activity and crowds, monitor local developments, and seek shelter while minimizing unnecessary movements.
This situation highlights the ongoing security challenges in Mexico, particularly in regions with significant cartel presence. For businesses and tourists, the instability poses risks to travel and economic activities, including tourism in popular destinations like Puerto Vallarta and Guadalajara. The U.S. government’s response underscores the broader implications of cartel-related violence for both regional stability and international business interests.
The death of El Mencho has been described as a significant development by U.S. Deputy Secretary of State Christopher Landau, who called it a positive outcome for Mexico, the United States, Latin America, and the world. However, the subsequent violence underscores the complex security landscape in Mexico and the challenges authorities face in maintaining stability.
For readers interested in business, this incident highlights the risks associated with operating or traveling in regions affected by cartel activity. The ongoing instability can impact tourism, supply chains, and economic relations between Mexico and the United States. As the situation evolves, businesses and individuals with interests in these areas are advised to stay informed and exercise caution.
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Originally published on Fortune on 2/23/2026