Day 681: Defense Secretary Trevilla Trejo and National Guard Commander Briseño Lobera Fly to Culiacán to 'Strengthen Operational Capabilities and Inhibit Violence'
On Day 681 of the Sinaloa cartel civil war — June 4, 2026 — Mexico's two top security officials flew to Culiacán simultaneously, signaling the highest-level military concern about conditions in Sinaloa's capital since the war began. TREVILLA TREJO AND BRISEÑO LOBERA ARRIVE CULIACÁN: Secretary of National Defense Ricardo Trevilla Trejo and National Guard Commander General Guillermo Briseño Lobera flew to Culiacán on June 4 for a supervisory visit to evaluate and 'strengthen operational capabilities and advance tasks to inhibit violence' in Sinaloa. Their stated mission reflected the severity of the security situation: the day before their arrival (June 3), 10 homicides had been recorded in Culiacán in a single day, with 30 killed over the previous 72 hours. Infobae and Latinus confirmed the simultaneous presence of both officials — the Secretary of Defense and the commander of Mexico's National Guard — as a high-signal event indicating that the highest levels of the Sheinbaum security cabinet view conditions in Culiacán as a crisis requiring direct personal oversight. CONTEXT — SECURITY ESCALATION: The June 4 supervisory visit follows the June 3 deployment of 90 Murciélagos special forces troops from Santa Lucía to Culiacán, constituting the most intensive federal military escalation in Sinaloa since the initial deployment in October 2024. The escalation reflects compounding pressures: (1) May 2026 confirmed as the deadliest month of 2026 in Sinaloa (135+ violent deaths); (2) the Aguaruto prison riot on May 31 (7 killed); (3) the political vacuum left by Governor Rocha Moya's leave of absence following his April 30 SDNY indictment; and (4) the ongoing Chapitos-La Mayiza faction war despite La Mayiza's ~90% territorial control. Both Trevilla Trejo and Briseño Lobera met with interim Governor Yeraldine Bonilla Valverde, who receives their supervision — her administration now commands 13,300+ federal troops deployed statewide. DAY 681 RUNNING STATUS: El Chinacate at Altiplano (~23 days on US extradition deadline ~July 27). Three SDNY-indicted officials in Brooklyn MDC (Mérida, Díaz Vega, Inzunza Cazárez); three fugitives non-compliant. El Mayo EDNY sentencing July 20; Ovidio NDIL July 27; Joaquín NDIL Aug 31. Running toll: ~2,560+ homicides (Noroeste) / 3,000+ (WSJ) since September 9, 2024; ~5,800 disappearances (NGO Sabuesos Unidas AC).