World February 23, 2026

Violence Erupts After Capture and Death of Jalisco Cartel Leader; 25 National Guard Members Killed

Mexican authorities say a top cartel figure was captured and later died, provoking retaliatory attacks that left dozens of security personnel dead

By Hana Yamamoto
Violence Erupts After Capture and Death of Jalisco Cartel Leader; 25 National Guard Members Killed

Mexican officials reported that 25 members of the National Guard were killed in Jalisco state in attacks that followed the capture of Jalisco New Generation cartel leader Nemesio Oseguera, alias "El Mencho." A state attorney’s office official was also killed, and Defense Minister Ricardo Trevilla said information leading to the capture and death came from a romantic partner of the cartel boss.

Key Points

  • Security Minister Omar Garcia Harfuch reported 25 National Guard members were killed in Jalisco state following the capture of cartel leader Nemesio Oseguera, alias "El Mencho." Sectors to watch: public security and government expenditures.
  • One official from the state attorney’s office was also killed during the post-capture violence. Sectors to watch: legal and judicial institutions, regional public services.
  • Defense Minister Ricardo Trevilla said information leading to Oseguera’s capture and death came from a romantic partner of the crime boss. Sectors to watch: intelligence operations and law enforcement coordination.

MEXICO CITY, Feb 23 - Mexico’s Security Minister Omar Garcia Harfuch announced on Monday that 25 members of the National Guard were killed in Jalisco state in a series of attacks that followed the apprehension of Jalisco New Generation cartel boss Nemesio Oseguera, known as "El Mencho." Harfuch said one official from the state attorney’s office was also killed, providing an initial toll of fatalities tied to the post-capture violence.

Authorities described the operation as relating to the capture of Oseguera on Sunday. Oseguera - who had been identified as Mexico’s most-wanted cartel leader and carried a $15 million bounty for information leading to his capture - was later reported dead. Government officials attributed the capture and subsequent information about his whereabouts to intelligence that, according to Defense Minister Ricardo Trevilla, came from a romantic partner of the crime boss.

Immediate aftermath

Officials said the cartel’s operatives launched retaliatory attacks across Mexico after Oseguera’s capture and death, producing waves of violence. The fatalities among National Guard personnel and the death of a state attorney’s office official mark a severe escalation in deadly encounters tied directly to the operation that removed the cartel leader from the field.

Official statements

Security Minister Omar Garcia Harfuch provided the casualty figures at a Monday press conference. Defense Minister Ricardo Trevilla commented that a romantic partner supplied information that led to Oseguera’s capture and eventual death. Beyond those statements, officials have not provided additional operational details in the material provided here.


Context and considerations

The sequence of events reported by Mexican authorities is limited to the capture on Sunday, Oseguera’s status as the most-wanted cartel leader with a $15 million reward for information, the source of information identified by Defense Minister Trevilla, and the wave of violence that followed. The information available does not provide further operational timelines, locations of each attack, or broader casualty figures beyond the numbers cited by the Security Minister.

What remains unclear

  • Precise chronology and locations of all attacks that resulted in the reported fatalities.
  • Operational details about how the capture was executed, beyond the attribution of the tip to a romantic partner.
  • Whether additional arrests, seizures, or follow-up operations have occurred beyond the events described.

Authorities’ statements form the factual base for the account above. No further corroborating details have been presented in the material supplied, and the limits of that information are reflected here.

Risks

  • Escalation of cartel retaliation could sustain insecurity in affected regions - risk to local commerce and tourism activity.
  • Loss of multiple National Guard personnel may prompt shifts in security deployments and budgetary responses - risk to public spending priorities and supply chains for security-related procurement.
  • Limited public details on operational follow-up introduce uncertainty for forecasting near-term stability in Jalisco - risk to investor confidence in regional markets and to consumer-facing businesses operating locally.

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