Tijuana municipal police arrested five people and dismantled a clandestine drug laboratory in Colonia Cacho, just blocks from the city’s main commercial and dining corridor, on Thursday. Officers seized chemicals, precursors, and finished product from the site, which neighbors had reportedly complained about for weeks before the raid.
Colonia Cacho Lab Operated Steps From Zona Río Restaurants
The operation took place on Calle Novena in Colonia Cacho, a mixed residential and commercial neighborhood that borders Zona Río to the south. Zona Río is Tijuana’s primary upscale district, home to restaurants, hotels, the Tijuana Cultural Center (CECUT), and a growing number of co-working spaces popular with cross-border professionals. Colonia Cacho itself has seen a wave of renovation over the past decade, with craft breweries, boutique shops, and galleries drawing visitors from both sides of the border.
Municipal police officers arrived at the property after receiving intelligence about chemical odors and unusual activity. Inside, they found equipment used to process synthetic drugs, along with chemical precursors stored in industrial containers. The five detained individuals were turned over to the Fiscalía General del Estado (FGE), Baja California’s state attorney general’s office, for processing.
Clandestine drug labs in Tijuana are not new, but their locations have shifted over the years. Between 2019 and 2023, Mexican security forces dismantled dozens of fentanyl and methamphetamine labs across the Tijuana metropolitan area. Many operated in industrial zones like El Florido or on the eastern outskirts near Tecate. Finding one in Colonia Cacho, a gentrifying neighborhood with foot traffic and residential density, is a reminder that these operations sometimes hide in plain sight.
Tijuana sits at the center of Mexico’s synthetic drug production corridor. The U.S. Drug Enforcement Administration (DEA) has identified the city as a primary transit and manufacturing point for fentanyl destined for the U.S. market. Baja California’s former governor, Marina del Pilar Avila Olmeda, launched a state strategy in 2022 to coordinate municipal and state police on lab detection. That program relied heavily on citizen reports, which appears to be the mechanism that triggered Thursday’s raid.
The Secretaría de Seguridad y Protección Ciudadana Municipal, Tijuana’s municipal public safety department, confirmed the arrests in a public statement. The agency did not release the names of the five suspects or specify what type of synthetic drug was being produced. Authorities said additional searches in the surrounding area were ongoing as of Thursday evening.
Colonia Cacho Raid Raises Safety Questions for Nearby Businesses
The practical concern for anyone who lives in, works in, or visits the Cacho and Zona Río area is chemical exposure. Clandestine labs produce toxic fumes that can cause respiratory problems, headaches, and skin irritation for people in adjacent buildings. In past incidents in Tijuana, evacuations have been ordered when lab chemicals ignited or leaked. Thursday’s operation did not require an evacuation, but neighbors told local reporters they had noticed strong chemical smells for at least two weeks before the bust.
Colonia Cacho’s transformation into a trendy neighborhood has not erased the security challenges common across Tijuana. The colonia sits in the city’s central zone, which recorded 47 homicides in the first quarter of 2025, according to data compiled by the Baja California Citizens’ Security Observatory. That figure represents a slight decline from the same period in 2024, when the central zone logged 53 homicides. But property crimes and drug-related incidents remain steady.
For residents and business owners in the area, the arrest also raises questions about building oversight. Tijuana’s urban development office, the Instituto Metropolitano de Planeación (IMPLAN), has acknowledged that many commercial and residential properties in older colonias lack current operating permits. Labs can set up in vacant buildings or behind legitimate storefronts with little scrutiny. A 2023 IMPLAN report noted that over 30% of commercial properties in Tijuana’s central zone operated without updated licenses.
The five suspects will face state charges related to drug manufacturing and possession of chemical precursors. If federal prosecutors determine the lab was producing fentanyl or other controlled substances destined for export, the case could be transferred to the Fiscalía General de la República (FGR), Mexico’s federal attorney general’s office. A preliminary hearing is expected within 72 hours of the arrests. The operation was first reported by Cadena Noticias.

