Mexican Army forces located and destroyed a clandestine laboratory in Villa Madero during an inter-institutional operation in a mountain area between 3:15 AM and 6:15 AM on January 28, 2026, securing 17 drums of chemical precursors, denatured alcohol, hypochlorite, Macropol, 8 LP gas tanks, 6 reactors, and bags of caustic soda before incinerating the site, according to foro_militar on X. In Culiacán, Sinaloa, the Mexican Army arrested four suspects following an attack and pursuit in Terranova targeting security command, resulting in one injured police officer and two crashed trucks near a kindergarten and primary school, as reported by foro_militar. Separately, army elements pursued suspects after an armed confrontation in Bachigualato and flew gunship helicopters at low altitude over Lázaro Cárdenas, 21 de Marzo, and Alturas del Sur sectors, according to multiple foro_militar posts. An attempted ambush targeted Colonel Alejandro Bravo Martinez, Secretary of SSP and municipal transit in Culiacán, with images showing his damaged vehicle after an attack by the MZ faction, as shared by blogdelosguachs on X. In Dr. Coss, Nuevo León, Mexican Army, National Guard, and SSP detained nine men with nine long weapons, magazines, cartridges, and tactical equipment during intelligence-led patrols early Tuesday, with no injuries reported, per foro_militar. In Zapopan, an armed ambush on Av. Guadalupe against a hotel entrepreneur and two bodyguards sparked a shootout, leaving six people shot, one attacker dead, and five injured, with over 50 shell casings and a bullet-riddled SUV recovered, according to All_Source_News citing JaliscoRojo. Mexico's Supreme Court invalidated Sinaloa's "hawking" crime law, ruling it violates freedom of expression, as stated by foro_militar.