Hidden tunnel discovered in Tijuana may have supported cross-border trafficking operations
Mexican authorities have uncovered a sophisticated underground tunnel near the U.S.-Mexico border that was equipped with lighting, ventilation and an electronic transport system, which they say may connect Tijuana to a street in San Diego.
Mexico's Attorney General's Office, known as the FGR, announced the discovery Saturday following a search warrant executed at a property in the Nueva Tijuana neighborhood of Tijuana, Baja California.
Authorities said the tunnel stretched approximately 265 meters, or about 870 feet, and reached a depth of roughly 6.3 meters, or 21 feet underground.
According to investigators, the tunnel contained operational infrastructure, including lighting and ventilation systems, as well as an electronic sliding mechanism designed to move items in both directions between Mexico and the U.S.
The tunnel was discovered through intelligence work conducted by agents with the FGR's Criminal Investigation Agency in coordination with Mexico's Security Cabinet.
Officials said the search warrant was executed as part of an investigation into alleged violations of Mexico's firearms and explosives laws as well as drug-related offenses.
Authorities said they believe the property may have functioned as a storage, logistics and trafficking center for firearms, explosives and illicit drugs.
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Photos released by the FGR appear to show agents navigating the underground passageway, access points leading into the tunnel and evidence recovered during the operation.
Investigators said they recovered ammunition, suspected methamphetamine, suspected marijuana, cell phones and various documents from the property.
Images released by Mexican authorities also appear to show ventilation infrastructure inside the tunnel, underscoring what officials described as a sophisticated operation.
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The FGR said its investigation indicates the tunnel likely connects to a street in San Diego, though authorities have not publicly identified the location or confirmed whether the U.S. side of the tunnel has been located.
Officials described the discovery as a significant blow to criminal organizations that rely on underground smuggling routes to move narcotics and other contraband across the border.
The evidence and property have been turned over to federal prosecutors in Baja California, who will continue the investigation.
