Videos of passengers sprinting through Guadalajara’s international airport spread across social media after Mexican authorities reported the killing of Nemesio Ruben Oseguera Cervantes, the longtime head of the Jalisco New Generation Cartel, setting off a wave of gunfire, road blockades and torched vehicles that rattled several states.
Mexico’s security officials said the cartel’s response to the operation turned major highways into choke points, shut down schools in parts of Jalisco and forced businesses to lock doors in the resort city of Puerto Vallarta. At the airport in Guadalajara, the state capital, authorities said the fear was real even if the danger was not. The National Guard said there were no confirmed attacks inside the terminal, but travelers and workers fled when reports of violence nearby triggered panic and confusion.
The unrest followed a military operation that authorities said ended with the death of Oseguera Cervantes, known as “El Mencho,” one of the world’s most wanted drug traffickers and the elusive leader of a cartel blamed for pumping fentanyl, methamphetamine and cocaine into the United States. Mexico’s government has not released a full after-action account of the raid, but officials and media reports described a clash in Jalisco in which special forces came under heavy fire and several gunmen were killed. The U.S. State Department had offered a reward of up to $15 million for information leading to his arrest, a figure often cited as a measure of how central he was to the drug trade and to cartel violence.
As word of his death spread, violence flared along key corridors in western Mexico, with armed groups blocking roads and setting vehicles on fire. Images showed smoke rising from burned cars and trucks and lines of stranded motorists forced to turn back. Local officials ordered school closures in parts of Jalisco and urged residents to stay inside as security forces worked to reopen highways and restore basic movement. In Puerto Vallarta, a major tourist destination on the Pacific, hotels warned guests to remain indoors while authorities assessed the risk, and some businesses closed early as the situation unfolded.
At Guadalajara International Airport, scenes of sudden terror played out in public areas where families, tourists and business travelers dropped luggage and ran for cover. Some people crouched behind chairs and counters, others hugged walls as they tried to understand where the threat was. Security officials later said the panic appeared to be driven by reports of nearby violence rather than gunfire inside the airport itself, but they acknowledged that travelers believed they were in immediate danger. The airport is a critical hub for domestic routes and international flights, and even a short disruption there can ripple across schedules, connections and ground transportation for thousands of passengers.
The wave of fear extended beyond Jalisco. Reports of blockades and shootings spread to other states, reflecting how quickly cartel violence can jump across territory when a powerful figure falls. Mexico’s government has long faced a dilemma in pursuing cartel leaders. Taking down a top boss can be a major symbolic victory, but the aftermath can bring retaliation, power struggles and sudden attacks meant to show strength. President Claudia Sheinbaum has criticized past “kingpin” strategies that, in her view, sometimes produced spikes of violence or led to cartel fragmentation, while U.S. pressure for visible results against trafficking has remained intense.
By Monday, Mexico’s security secretary, Omar Garcia Harfuch, said 25 members of the National Guard had been killed in six separate attacks in Jalisco after the killing of Oseguera Cervantes. Officials said those deaths underscored the scale of the backlash and the risks faced by security forces in the first hours after a high-profile operation. Authorities did not immediately provide details about each attack, including the locations or whether suspects were captured, but they described coordinated violence aimed at disrupting movement and intimidating the state.
Oseguera Cervantes built the Jalisco New Generation Cartel, often referred to by its Spanish initials CJNG, into one of Mexico’s most powerful criminal organizations. Reuters described him as a former police officer who rose through the underworld and became known for ruthless tactics, including attacks on security forces and public displays of brutality. The cartel’s growth over the past decade reshaped Mexico’s criminal landscape, expanding from western Mexico into a national and international network with a reputation for rapid, aggressive territorial moves. Under his leadership, authorities said, the group blended drug trafficking with extortion and other crimes, while cultivating influence in communities where the state’s presence was weak.
Officials and reports described the operation against him as a major blow to organized crime, but one likely to carry immediate costs. Mexico’s Defense Department has not released a full timeline of the raid, and authorities have not detailed what intelligence led forces to his location. Some reporting described a hunt that narrowed to a hideout in Jalisco’s highlands, where special forces moved in and encountered heavy resistance. The uncertainty of early accounts left many questions open: how long the operation took, how many troops were deployed, whether helicopters were used and what measures were taken to prevent a violent response in nearby cities.
In the hours after the raid, those questions were overwhelmed by the speed of the retaliation. Road blockades, sometimes called “narcobloqueos,” are a familiar tactic in parts of Mexico, used to slow security convoys, trap rivals or send a message to the public. Burning vehicles can also create fear far beyond the blockades themselves, especially when smoke is visible from airports, hotels or shopping districts. That dynamic appeared to play out in Guadalajara, where dark plumes in the distance and reports of violence on access roads fueled the stampede that was captured on video.
Airlines and airports began adjusting operations as the situation evolved. Some flights between U.S. cities and western Mexico were canceled or rerouted, according to media reports, and passengers faced uncertainty about ground travel once they landed. Tourism operators in Puerto Vallarta and nearby coastal towns monitored the unrest closely, aware that even brief security scares can lead to mass cancellations. Authorities did not announce a long-term closure of the Guadalajara airport, but the panic highlighted how quickly a security event outside a terminal can destabilize travelers inside it.
Mexican officials tried to project control as they assessed the damage and hunted for those responsible for the attacks. Security forces moved to clear highways and restore movement in affected areas, while local governments weighed whether to keep schools closed and how to protect public transportation. In places hit by blockades, drivers reported hourslong delays, and some towns saw a near shutdown as residents stayed off streets. Officials said they were collecting evidence from burned vehicles and searching for gunmen involved in the attacks on security forces.
Oseguera Cervantes’ death also raised questions about what comes next for CJNG. The cartel has been known for tight discipline and a leadership structure that, in the past, reduced public infighting, but analysts have warned that any transition can open space for rivals or splinter groups. Authorities did not identify a successor, and cartel leadership decisions are rarely confirmed publicly. In the short term, officials focused on the more immediate threat of reprisal attacks, including ambushes on patrols, assaults on checkpoints and attempts to paralyze cities with blockades.
The killing of a cartel leader of his stature carries international implications, particularly for the United States. CJNG has been described by U.S. officials as a major driver of fentanyl trafficking, and American agencies have offered rewards and filed indictments linked to the group. Any changes inside the cartel could affect smuggling routes, alliances and the balance of power with other organizations. For Mexico, the episode added another test of whether the government can sustain security gains beyond a single operation and prevent the rapid spread of violence that has followed past high-profile takedowns.
In Guadalajara, travelers arriving on Monday encountered a city still processing the shock. Airport staff returned to routine operations, but the videos continued to circulate, capturing a moment when people believed a safe public place had become a target. The National Guard’s statement that there was no confirmed incident inside the airport did little to erase the fear, and officials faced pressure to clarify what happened near the facility and how security was handled during the panic. Local authorities also faced the task of reassuring residents and tourists while acknowledging that the violence tied to the cartel leader’s death was real in other parts of the state.
By late Monday, officials said the immediate priority was to prevent further attacks and reopen blocked routes. The next milestones include updated casualty figures, arrests linked to the National Guard attacks and clearer official reporting on the operation that killed Oseguera Cervantes. Authorities said they would continue security deployments in Jalisco and surrounding states as the situation stabilizes.
Author note: Last updated February 23, 2026.