Members of a Large-Scale Nationwide Fentanyl Trafficking Organization Sentenced in Washington D.C. 

WASHINGTON – Andrew Henrry Rodriguez, 24, of Ontario, California, Santos Balmore Martinez, 23, of Los Angeles, California, Jose Anthony Contreras, 32, of Fullerton, California, Anthony Guadalupe Olguin, 29, of South El Monte, California, and others have been sentenced in United States District Court for the District of Columbia for their roles in obtaining fentanyl from Mexico, and distributing it in California and throughout the United States, including Washington, D.C.  The fentanyl trafficking organization distributed tens of thousands of deadly doses of illegal fentanyl using covert social media platforms, announced U.S. Attorney Jeanine Ferris Pirro.

On September 20, 2024, Rodriguez pleaded guilty to conspiracy to distribute 400 grams or more of fentanyl before the Honorable Judge Amit P. Mehta, United States District Court Judge, for the District of Columbia. On May 13, 2025, Judge Mehta sentenced Rodriguez to 63 months imprisonment followed by 60 months of supervised release.

On November 13, 2024, Martinez pleaded guilty to conspiracy to distribute 400 grams or more of fentanyl. On February 21, 2025, Judge Mehta sentenced Martinez to 48 months imprisonment followed by 36 months of supervised release.

On December 6, 2024, Contreras pleaded guilty to conspiracy to distribute 400 grams or more of fentanyl. On March 21, 2025, Judge Mehta sentenced Contreras to 120 months imprisonment followed by 60 months of supervised release.

On September 4, 2025, Anthony Olguin pled guilty to conspiracy to distribute 400 grams or more of fentanyl. On February 6, 2026, Judge Mehta sentenced Olguin to 120 months imprisonment, followed by 60 months of supervised release. Judge Mehta ordered part of the sentence to run concurrently with a separate conviction that Olguin is serving out of the Southern District of Iowa, where he was sentenced to 25 years imprisonment on November 13, 2025, for another drug trafficking conspiracy.

Joining U.S. Attorney Pirro in announcing the sentences were DEA Special Agent in Charge Christopher Goumenis, of the Washington Division Office, and Inspector in Charge Damon E. Wood of the U.S. Postal Inspection Service’s Washington Division.

According to court documents, the group was part of a large-scale fentanyl distribution conspiracy that obtained tens of thousands of fentanyl pills. Between 2023 and 2024, the DEA, with the assistance of a confidential source and an undercover law enforcement officer, conducted numerous controlled fentanyl pill purchases from Rodriguez, who shipped fentanyl pills from California through the USPS to a mailing address in the District of Columbia. Rodriguez sent about 4,713 fentanyl pills (weighing over 400 grams in total) and prepared to send an additional 21,000 fentanyl pills to the DEA undercover officer, but law enforcement arrested him at his residence in Ontario, California, before the plan could be completed. Thereafter, Martinez, Contreras, Olguin, and others, were arrested, and search warrants were executed. From those searches, law enforcement recovered a cache of illegal substances and evidence of the drug trafficking conspiracy.

This case was investigated by the DEA’s Washington Division Office, the United States Postal Inspection Service’s Washington Division, and the Hermosa Beach California Police Department with the assistance of the DEA’s Los Angeles Division Office and the United States Marshals Service. It was prosecuted by Assistant U.S. Attorneys Anthony Scarpelli and Daniel Seidel, of the Violence Crime and Narcotics Trafficking (VCNT) section of the U.S. Attorney’s Office for the District of Columbia.

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Source: U.S. Attorney’s Office — District of Columbia — U.S. Department of Justice press release.

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