Following the killing of CJNG leader Nemesio “El Mencho” Oseguera, cartel violence erupts in multiple Mexican states, prompting an emergency shelter-in-place alert for Americans. Roadblocks, clashes, and flight cancellations disrupt travel across Jalisco, Tamaulipas, Michoacán, Guerrero, and Nuevo León. The confirmation of El Mencho's death triggers widespread violence, with CJNG gunmen causing chaos and security forces on high alert. Stay updated on the evolving situation.