A pair of California brothers tied to a major cross-country drug pipeline have been handed hefty federal prison sentences after authorities unraveled their operation through a sweeping wiretap probe.

Eduardo Mendoza, 33, was sentenced to 15 years behind bars, while his brother, Francisco Javier Mendoza, 35, received a 10-year term following an earlier sentencing on April 17. 

Both men are from Niland, California.

Prosecutors say the duo ran a large-scale drug trafficking organization that funneled methamphetamine and fentanyl from Mexico into the United States, distributing the deadly narcotics across multiple states.

The investigation, which stretched over several years, revealed the Mendoza organization was supplied by a fentanyl source in Mexicali, Baja California, with links to the notorious Sinaloa Cartel.

From there, drugs, sometimes hidden in plastic Easter eggs, were smuggled into Imperial County and pushed throughout the Imperial Valley and beyond, reaching destinations as far as New York.

Federal agents built their case through extensive wiretaps, eventually identifying key players in what became known as the Mendoza Drug Trafficking Organization. 

Authorities seized significant quantities of methamphetamine and fentanyl during the investigation.

In 2024, law enforcement launched a coordinated, multi-district takedown.

Eduardo Mendoza was arrested in Oregon, while Francisco Mendoza was taken into custody in California’s Imperial Valley.

Eduardo Mendoza, identified as the lead defendant in a 12-person indictment, admitted in a plea agreement that he was involved in the conspiracy from at least 2020 until his arrest in June 2024.

“Imperial Valley. New York. Las Vegas. Oregon,” US Attorney Adam Gordon said. “This was a sprawling investigation into prolific drug traffickers. But we wiretapped their phones, seized their drugs, and brought them to justice.”

Officials say the case marks a significant blow to transnational criminal networks.

“The sentencing of Eduardo and Francisco Mendoza marks a significant victory in our ongoing fight against transnational criminal organizations that threaten the safety of our communities,” said Acting Special Agent in Charge Kevin Murphy of Homeland Security Investigations San Diego.

Both men were convicted of conspiracy to distribute methamphetamine and fentanyl under federal law, charges that carry a maximum penalty of life in prison, a mandatory minimum of 10 years, and fines up to $10 million.

Authorities said the investigation was part of the Homeland Security Task Force initiative, a multi-agency effort targeting cartels, foreign gangs, and other transnational criminal groups operating in the US.