Sham San Diego storefront hid entrance to massive cross-border smuggling tunnel as four face federal charges

By Alex Tanzer, 
updated on June 7, 2026

A storefront in San Diego's Otay Mesa neighborhood that posed as a discount retailer was actually a front for a cocaine smuggling pipeline, complete with a nearly 2,000-foot tunnel running underground to Tijuana, Mexico. Four men now face federal charges after authorities seized more than 2,200 pounds of suspected cocaine linked to the operation.

U.S. Attorney Adam Gordon announced the charges at a news conference Monday, describing the bust as a direct hit to cartel drug infrastructure. The "Buy 4 Less" store had almost no real customers. What it did have was a hidden entrance to one of the most elaborate cross-border tunnels authorities have uncovered.

The tunnel stretched an estimated 1,933 feet, sat roughly 55 feet below the surface, and stood about four and a half feet tall, large enough for a person to move through at a crouch. Authorities described it as "sophisticated," equipped with reinforced walls, electricity, ventilation, and a rail system for moving cargo. This was not a crude hole in the dirt. It was built to last and built to move product at scale.

Months of surveillance before the bust

Investigators had been watching the Buy 4 Less store for months before they ever set foot inside. What they saw did not look like retail commerce. Foot traffic from actual customers was minimal. Store "employees" were observed hauling suitcases in and out of the building, suitcases that appeared to be empty.

On at least two separate occasions, law enforcement spotted people outside the store loading suspicious items into vehicles. Officers pulled those vehicles over in traffic stops and found cocaine, a lot of it.

Officials seized approximately 2,270 pounds of cocaine in total from those stops. Field tests confirmed the substance was cocaine, as the New York Post reported. Armed with the traffic-stop evidence, investigators requested a search warrant for the store. A judge granted it. That is when they found the tunnel entrance hidden inside the building.

Four defendants, two countries

Federal prosecutors charged four men: Gregorio Epifanio Hernandez Lopez, 29, a U.S. resident from San Diego; Jose Jimenez, 32, also a U.S. resident from San Diego; Antonio Cortez, 18, a Mexican resident; and Brandon Escalante Sandoval, 26, also a Mexican resident.

All four face charges of distributing controlled substances, which carries a maximum penalty of life in prison and a $10 million fine. Hernandez Lopez faces additional counts, constructing, financing, or using unauthorized tunnels, and importation of a controlled substance.

The split between U.S. and Mexican residents among the defendants underscores the cross-border coordination required for an operation this size. Someone had to build the tunnel. Someone had to lease or acquire the storefront. Someone had to move the product once it surfaced on the American side. And someone had to make sure no one noticed, or at least that no one cared.

Congressional Republicans have pushed hard to expand the budgets of the agencies responsible for catching exactly this kind of operation. The Senate recently cleared a path for a $70 billion ICE and Border Patrol funding package, a move that reflects the scale of the enforcement challenge along the southern border.

Gordon's message to the cartels

U.S. Attorney Adam Gordon was unambiguous in his statements at the Monday press conference. He framed the seizure as a direct blow to cartel revenue streams built on cocaine trafficking.

"Cocaine is now the lifeblood of the cartels and what you see here today is a cardiac arrest for their system and those defendants."

Gordon also took aim at the defendants' apparent confidence that the tunnel would go undetected.

"They thought they saw the light at the end of the tunnel. In fact, what they saw were our lights and sirens."

The rhetoric was pointed, and the facts backed it up. More than a ton of cocaine off the streets. A tunnel sealed. Four suspects facing charges that could put them away for life.

A pattern along the border

Cross-border tunnels are not new in the San Diego, Tijuana corridor. Otay Mesa, situated directly along the international boundary near the Otay Mesa Port of Entry, has been a recurring hotspot for underground smuggling infrastructure. The tunnels have grown more elaborate over the years, from crude passages to engineered corridors with lighting, ventilation, and rail systems designed for high-volume trafficking.

The San Diego sector has also seen a range of other enforcement actions in recent months. Border Patrol agents arrested two illegal immigrants with child sex convictions in back-to-back operations in the same region, a reminder that the border enforcement challenge extends well beyond narcotics.

What makes this case distinctive is the brazenness of the cover. A retail storefront, complete with a name designed to suggest bargain shopping, operating in plain sight while a tunnel ran beneath it to another country. Investigators noticed because the store's behavior did not match its supposed purpose. Almost no customers. Employees carrying empty luggage. Vehicles being loaded outside with suspicious cargo.

The question that hangs over cases like this is how long the operation ran before anyone looked closely. The material does not specify when the tunnel was built or when it first became operational. Investigators surveilled the store for months, which means the tunnel may have been in use well before that surveillance began.

Enforcement funding and the political backdrop

Cases like the Buy 4 Less tunnel bust land in the middle of a sharp political fight over how much the federal government should spend on border enforcement. Senate Democrats have pushed back against Republican-led efforts to increase ICE and Border Patrol budgets, even as operations like this one demonstrate the sophistication and scale of cartel smuggling networks.

It takes resources to surveil a storefront for months, execute traffic stops, process evidence, obtain warrants, and ultimately bring federal charges against multiple defendants across two countries. The agencies involved in this bust, though the specific agencies were not named in the charging announcement, depend on the kind of sustained funding that has become a flashpoint on Capitol Hill.

On the House side, Republicans have advanced a budget blueprint to fund ICE and Border Patrol without Democratic support, reflecting a broader GOP argument that border security spending should not be held hostage to unrelated policy demands.

What remains unanswered

Several key details remain unclear. No court filings or docket numbers have been publicly identified. It is not known whether any of the four defendants have entered pleas or been released pending trial. The identity of whoever owned or leased the Buy 4 Less storefront has not been disclosed. And investigators have not said publicly what, if anything, they found inside the store beyond the tunnel entrance itself.

The total street value of the seized cocaine has not been confirmed by prosecutors in the available record, though Breitbart reported the operation involved an estimated $45 million in cocaine. The sheer weight of the seizure, more than a ton, speaks for itself regardless of the final dollar figure.

Nor is it clear how many people beyond the four charged defendants may have been involved. Building a tunnel nearly 2,000 feet long, 55 feet underground, with reinforced walls and a rail system, is not a four-man job. Whether additional arrests or indictments are forthcoming remains an open question.

The storefront that fooled no one, eventually

The Buy 4 Less operation was designed to hide in plain sight. A discount store in a commercial area near the border, unremarkable enough to avoid a second glance. But the people running it made the kind of mistakes that patient investigators notice. No customers. Empty suitcases. Vehicles loaded with cargo that turned out to be cocaine.

The tunnel itself was anything but amateur. Nearly 2,000 feet of reinforced underground passage, wired for electricity, ventilated, and fitted with rails. That kind of construction takes time, money, and engineering. It also takes confidence, the kind that comes from believing no one is watching.

Someone was watching. And now four men face the possibility of life in federal prison.

Cartels keep building tunnels because the demand, and the profit, make it worth the risk. The only thing that changes the math is making the cost of getting caught high enough to matter. A ton of seized cocaine and four federal indictments are a start. Whether it is enough depends on what comes next.

About Alex Tanzer

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