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Press Release

Oxford Man Pleads Guilty to Drug Charges

For Immediate Release
U.S. Attorney's Office, District of Massachusetts

BOSTON – An Oxford, Mass. man pleaded guilty last week to his role in a large-scale drug trafficking conspiracy that allegedly distributed fentanyl and cocaine in and around the Quincy and Weymouth areas.

Chaasad Cyprien, 23, pleaded guilty to possession with intent to distribute cocaine and to conspiracy to distribute and possess with intent to distribute cocaine. U.S. District Court Judge William G. Young scheduled sentencing for July 17, 2024.  

Cyprien was charged in September 2022, along with Aderito Amado, Neylton Fontes and Erica Vieira. Cyprien possessed with intent to distribute cocaine and participated in a conspiracy to distribute cocaine in Quincy and Weymouth until at least January 2021. Cyprien is the first defendant to plead guilty. The remaining defendants have pleaded not guilty and are pending trial.  

The charge of possession with intent to distribute cocaine and conspiracy to distribute and possession with intent to distribute provides for a sentence of up to 20 years in prison, at least three years and up to a lifetime of supervised release and a fine of up to $1 million. Sentences are imposed by a federal district court judge based upon the U.S. Sentencing Guidelines and statutes which govern the determination of a sentence in a criminal case. 

Acting United States Attorney Joshua S. Levy and Jodi Cohen, Special Agent in Charge of the Federal Bureau of Investigation, Boston Division made the announcement today.  Valuable assistance was provided by the Plymouth County Sheriff’s Department; Plymouth and Weymouth Police Departments; and FBI’s Metro Boston Gang Task Force. Assistant U.S. Attorneys Kaitlin R. O’Donnell and Philip A. Mallard of the Organized Crime & Gang Unit are prosecuting the case. 

This effort is part of an Organized Crime Drug Enforcement Task Forces (OCDETF) operation. OCDETF identifies, disrupts, and dismantles the highest-level criminal organizations that threaten the United States using a prosecutor-led, intelligence-driven, multi-agency approach. Additional information about the OCDETF Program can be found at

The details contained in the charging documents are allegations. The remaining defendants are presumed innocent unless and until proven guilty beyond a reasonable doubt in a court of law.


Updated April 16, 2024

Drug Trafficking