EL PASO, Texas – As a result of diligent work done by members of the Homeland Security Task Force, a Mexican national with Legal Permanent Resident status was sentenced in a federal court in El Paso to 42 months in prison for facilitating alien smuggling operations using cross-border tunnels and storm drains, announced U.S. Attorney for the Western District of Texas, Justin R. Simmons.According to court documents, Ricardo Guadalupe Dominguez, 54, of Ciudad Juarez, Chihuahua, along with other members of an alien smuggling organization, used a subterranean passage and the connecting storm drain tunnels to bring aliens into the U.S. from Mexico. Dominguez facilitated the human smuggling events by providing vehicles and tools used to tamper and cause damage to the existing storm drains.
Dominguez was also identified as being involved with the construction of a man-made cross-border tunnel that was discovered on Jan. 10, 2025.Dominguez was arrested while attempting to cross into the U.S. from Mexico via the Paso Del Norte Port of Entry. He pleaded guilty on Dec. 17, 2025, to one count of conspiracy to bring in aliens.Co-defendant Oscar Ivan Carrillo was sentenced in January to 33 months in federal prison for conspiracy to use a border tunnel. Carrillo and others would guide aliens through the tunnels and into the U.S. At the tunnel exit, a box truck modified with a trap door was driven over a manhole cover; the trap door was then opened, allowing the aliens to climb up out of the tunnel and into the box truck without being detected.ICE Homeland Security Investigations and the U.S.
Border Patrol investigated the case.Assistant U.S. Attorney Mathew Engelbaum prosecuted the case.This case was investigated and prosecuted by the Homeland Security Task Force (HSTF) as part of Operation Take Back America. HSTFs, which were established by President Trump in Executive Order 14159, Protecting the American People Against Invasion, are joint operations led by the Department of Justice and the Department of Homeland Security. Operation Take Back America is a nationwide federal initiative that marshals the full resources of the Department of Justice to repel the invasion of illegal immigration, achieve the total elimination of cartels and transnational criminal organizations (TCOs), and protect our communities from the perpetrators of violent crime.This case is the result of the coordinated efforts of Joint Task Force Alpha (JTFA).
JTFA, a partnership with DHS, has been elevated and expanded with a mandate to target cartels and transnational criminal organizations to eliminate human smuggling and trafficking operating in Mexico, Guatemala, El Salvador, Honduras, Panama, and Colombia. JTFA currently comprises detailees from U.S. Attorneys’ Offices along the southwest border, including the Southern District of California, District of Arizona, District of New Mexico, and Western and Southern Districts of Texas. Dedicated support is provided by numerous components of the Justice Department’s Criminal Division, led by the Human Rights and Special Prosecutions Section (HRSP) and supported by the Money Laundering and Asset Recovery Section; Office of Enforcement Operations; and the Office of International Affairs, among others.
JTFA also relies on substantial law enforcement investment from DHS, FBI, DEA, and other partners. To date, JTFA’s work has resulted in more than 355 domestic and international arrests of leaders, organizers, and significant facilitators of alien smuggling; more than 300 U.S. convictions; more than 250 significant jail sentences imposed; and forfeitures of substantial assets.###