Texas woman surrenders in Union Pacific rail-container smuggling case that left 7 migrants dead

Federal prosecutors say Karina Garcia played a role in a Texas human-smuggling operation that used Union Pacific freight trains.

DOJ photos show the shipping container, bolt cutters and broken seal cited in the Union Pacific rail-container smuggling case. (Photos: U.S. Department of Justice)

One of two fugitives charged after seven migrants died inside a freight container has surrendered, federal prosecutors announced. Karina Garcia, 37, appeared Tuesday before U.S. Magistrate Judge Matthew Watters in Del Rio, Texas. Garcia surrendered Sunday at a Del Rio port of entry, according to the U.S. Attorney’s Office. She faces two federal counts that could bring a life sentence upon conviction.

Prosecutors contend Garcia played a key role in an operation spanning about three years. The group smuggled people from Mexico using cargo trains, the Aug. 19 release states. Smugglers allegedly charged each traveler, or their relatives, between $1,500 and $10,000. A federal grand jury indicted Garcia in July, according to the original announcement.

Seven people died inside freight container

Seven migrants from Mexico and Honduras died in a Conex shipping container during May, prosecutors contend. The indictment states smugglers moved them near Union Pacific tracks in Del Rio. The group allegedly cut a lock, loaded the people inside, and closed the door. That unit sat atop another container without ventilation or cooling, authorities reported.

Shipping container opened with deceased smuggled aliens inside. (Photo: U.S. Department of Justice)

Outside temperatures ranged from 88 to 92 degrees that afternoon, according to investigators. Union Pacific’s train then traveled east toward San Antonio along U.S. Highway 90. Smugglers reportedly opened the unit there, discovered passengers in peril, then fled. The train later went south to Laredo, where a yard worker found six bodies on May 10.

Authorities later discovered the seventh victim near tracks in San Antonio, the Justice Department reported. Four Mexican nationals and three Honduran nationals died, including a 14-year-old child. Investigators identified a message from at least one victim pleading for help. Prosecutors charged all 11 defendants with counts involving transportation resulting in death.

One defendant remains at large

Authorities arrested eight defendants during a multi-day operation across central and south Texas last month. Agents took Mayra Alejandra Huerta into federal custody in Del Rio on May 12. Seferino Huerta-Casillas remains the only indicted defendant still at large. Border Patrol intelligence, Homeland Security Investigations and U.S. Marshals led the search for Garcia.

The Justice Department did not announce another court date or describe Garcia’s precise alleged role in the operation. The release also did not identify every person who paid smugglers or traveled inside trains. Garcia is presumed innocent unless proven guilty in court.

Why It Matters

This case shows that rail and terminal security is not only about protecting cargo. Unauthorized access to a container can create serious safety, legal and human consequences. Broken seals, bolt cutters and unexplained equipment access should trigger immediate escalation before a train moves.

Click here for more articles on cargo theft and freight fraud by Phil Brink.

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Phil Brink

Phil Brink is the Head of Fraud Media and Education at FreightWaves, where he investigates cargo theft, freight fraud and transportation security. He owned and operated a freight brokerage for more than a decade before organized fraud targeted his business, forcing him to rethink how freight companies identify and manage risk. The lessons he learned continue to shape his reporting, education and collaboration with brokers, carriers, shippers and law enforcement. He developed FreightWaves' Certified Fraud Compliance Officer (CFCO) program to give transportation professionals practical knowledge and a structured framework for identifying and managing fraud risk. Reach him at phil.brink@firecrown.com.