Roxbury man sentenced to more than 11 years for leading drug trafficking ring
Bryan Moises Frias Sanchez, 51, was sentenced in federal court in Boston after pleading guilty to trafficking methamphetamine, fentanyl and cocaine, prosecutors said. He faces deportation once he finishes the sentence.
A 51-year-old man who prosecutors say led a drug trafficking operation out of Roxbury was sentenced Sept. 14 in federal court in Boston to 136 months in prison — more than 11 years — for trafficking methamphetamine, fentanyl and cocaine.
Bryan Moises Frias Sanchez was sentenced by U.S. District Court Judge Julia E. Kobick, who also ordered five years of supervised release, according to the U.S. attorney's office for the District of Massachusetts. Prosecutors said Frias Sanchez, a Dominican national who was living in Roxbury unlawfully, faces deportation after he completes the sentence.
He pleaded guilty in January to conspiring to distribute controlled substances and to several counts of distributing and possessing with intent to distribute methamphetamine, cocaine and fentanyl. He was indicted in April 2025 along with Jean Carlos Frias Polanco and Rafael Vargas Cabrera.
Between July 2024 and January 2025, investigators made a series of undercover drug buys from Frias Sanchez and his organization, prosecutors said. He arranged each of the deals and in some cases sent associates to deliver the drugs, and during several of the transactions he offered to sell guns along with the drugs, prosecutors said. In all, they said he was responsible for distributing about 2.6 kilograms of pure methamphetamine, 70 grams of fentanyl and more than 800 grams of cocaine.
Frias Polanco pleaded guilty and was sentenced May 8 to 19 months in prison. Vargas Cabrera is scheduled to plead guilty Sept. 28. The allegations against him remain accusations, and he is presumed innocent unless proven guilty.
The U.S. attorney's office said the Bureau of Alcohol, Tobacco, Firearms and Explosives led the investigation, with help from the Boston Police Department.
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