The Sunday killing of Nemesio “El Mencho” Oseguera Cervantes, the leader of Jalisco New Generation Cartel (CJNG), by Mexican security forces unleashed coordinated cartel retaliation attacks, driving rapid instability across Guadalajara (Jalisco’s capital) and spilling into high-traffic resort areas, including Puerto Vallarta.
CNN reported that the US provided intelligence support to Mexican Army Special Forces, aided by aircraft and the National Guard’s Immediate Reaction Force, during the operation to capture Oseguera. The operation, however, devolved into a fierce firefight with CJNG operatives and El Mencho that ultimately resulted in his death.
This is a bit of a game changer now. The cartels now have legitimate reason to target and hit American Assets! This opens up attacks along the border and In America! This is something Everyone needs to start to take into consideration!
Multiple conflicts are currently unfolding simultaneously across several Mexican states. In Jalisco, fighting between the Jalisco New Generation Cartel (CJNG) and the federal government has created what authorities describe as an active warzone, with roadblocks and airport closures.
In Sinaloa, clashes between Los Chapitos and the Mayito Flaco faction have resulted in high-intensity violence, including daily shootouts in Culiacán.
Update (1510):
“Due to developing security situations in Guadalajara and Puerto Vallarta, airlines are canceling flights at those airports,” website tracker Flightrader24 wrote on X.
The situation in Guadalajara, Puerto Vallarta, and other areas controlled by the Jalisco New Generation Cartel (CJNG) remains fluid after Mexican security forces killed Nemesio “Mencho” Oseguera, the head of CJNG.
One potential beneficiary of the shifting balance of power is Fausto Isidro Meza Flores, known as “El Chapo Isidro.” A former lieutenant in the Beltrán Leyva Organization, he has spent the past year expanding the Guasave Cartel from a regional operation into a broader power base. On January 12, 2026, analysts assessed that he had moved from a regional figure to a national-level actor. In May 2025, he formed an alliance with Ismael “Mayito Flaco” Zambada, combining his military wing with the logistical networks of the Mayiza faction.
To counter this bloc, Los Chapitos aligned with their former rivals, CJNG, in mid-2025, with El Mencho reportedly sending gunmen into Sinaloa to support the Guzmán faction. El Mencho’s death is expected to weaken that arrangement as CJNG leaders focus on internal control. Analysts suggest this could leave Los Chapitos isolated while Meza Flores and Mayito Flaco consolidate influence in the Golden Triangle region.
The Sinaloa conflict, which began on September 9, 2024, has lasted approximately 17 months and has resulted in more than 4,000 people killed or disappeared. Meza Flores controls the Guasave region and has expanded operations into Sonora and Nayarit.
https://www.thegatewaypundit.com/2026/02/multiple-cartel-wars-rage-mexico-as-new-boss/