Overview

• An interagency sweep in Sinaloa on August 19–20 located seven clandestine chemical areas and seized 11,425 liters of substances, 375 kilograms of caustic soda, improvised explosives, high‑caliber weapons and 8,488 cartridges, with one attacker killed after an Army patrol was ambushed in San Ignacio.
• Jalisco authorities and the National Guard searched a property in Encarnación de Díaz, securing seven rifles including M4, SIG Sauer and AK‑47 models, a fragmentation grenade, suspected explosives, tactical gear, and multiple stolen vehicles and motorcycles.
• The federal security cabinet reported Operación Frontera Norte totals through August 20 of 6,521 arrests, 5,074 firearms and 871,695 cartridges seized, and noted six additional chemical concentration areas inactivated in Culiacán and Elota with 6,500 liters and 175 kilograms of precursors confiscated.
• Mexico City officials announced 13 arrests after 11 searches tied to the May killings of Ximena Guzmán and José Muñoz, saying six suspects had warrants and that the material shooter remains at large as the investigation continues.
• Traffic investigations intensified after a fatal Panamericana crash that prompted a negligent homicide case against a truck driver, a five‑vehicle pileup in Catamarca blamed on dense shoulder smoke that left a woman in intensive care, a critical pediatric case in Torreón, and the safe removal of a box labeled radioactive from a separate highway collision.