The Mexican Government's Security Cabinet reports on the results obtained from 'Operation Northern Border' for December 4, 2025.

Since the operation began on February 5, some 9,735 suspects have been arrested and 7,258 firearms, 1,239,866 rounds of ammunition of various calibers, 33,302 magazines, 114,151.6 kg of drugs (including 549 kg of fentanyl), 5,803 vehicles, and 1,153 properties have been seized, according to the Security Cabinet of the Government of Mexico.

The actions were carried out in strict accordance with the rule of law and with full respect for human rights. Among the seizures and arrests, the following were the most significant:

– Baja California

In Playas de Rosarito, a suspect was arrested, and two handguns, four magazines, 34 rounds of ammunition, and a property were seized.

In Tijuana, a suspect was arrested, and two magazines, 40 rounds of ammunition, doses of crystal meth, and a property were seized.

– Sinaloa

In Culiacán and Cosalá, 10 storage facilities containing various materials used in the production of synthetic drugs were located and dismantled. During the operations, 13,410 liters and 825 kilos of substances used in the production of methamphetamine, four organic synthesis reactors, three condensers, and an LP gas tank were seized. The economic impact on organized crime is estimated at 286 million pesos (US$15.56 million).

– Sonora

In Etchojoa, a suspect was arrested, and 50 doses of marijuana and 30 doses of crystal meth were seized.

Source: Secretaría de Seguridad y Protección Ciudadana (SSPC)

Related: The Mexican Government’s Security Cabinet reports on the results obtained from ‘Operation Northern Border’ for December 3, 2025.