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Press Release

Brockton Man Sentenced for Distributing Fentanyl

For Immediate Release
U.S. Attorney's Office, District of Massachusetts
Defendant prohibited from being in the City of Brockton

BOSTON – A Brockton man was sentenced today in federal court in Boston for trafficking fentanyl. 


Gilvan Monteiro, 26, a/k/a “G,” was sentenced by U.S. District Court Judge William G. Young to 66 months in prison and three years of supervised release. During the period of supervised release, Monteiro is prohibited from associating with his co-conspirators and certain Brockton gang members.  He is also prohibited from being in the City of Brockton.


In January 2017, Monteiro pleaded guilty to conspiracy to possess with intent to distribute fentanyl.  In April 2016, Monteiro was arrested and charged in a criminal complaint along with Luis DaCosta and Edson Gomes. In May 2016, they and four others were indicted on drug and firearm-related charges.


On numerous occasions between December 2015 to March 2016, Monteiro and his co-defendants sold fentanyl in the Brockton area, and shared several of the same customers. In instances where Monteiro was out of fentanyl, he would direct his customers to purchase from Gomes.


According to court records, Monteiro has a criminal record that includes narcotics and firearms offenses and assault and battery with a dangerous weapon. 


DaCosta was sentenced to 106 months in federal prison in May 2017, and Gomes was sentenced to 71 months in prison in June 2017.


Acting United States Attorney William D. Weinreb; Harold H. Shaw, Special Agent in Charge of the Federal Bureau of Investigation, Boston Field Division; Michael Ferguson, Special Agent in Charge of the Drug Enforcement Administration, New England Field Division; Colonel Richard D. McKeon, Superintendent of the Massachusetts State Police; Plymouth County District Attorney Timothy Cruz; and Brockton Police Chief John Crowley made the announcement today.  Assistant U.S. Attorney Glenn A. MacKinlay, Chief of Weinreb’s Organized Crime and Gang Unit, and Assistant U.S. Attorney Timothy Moran, also of the Organized Crime and Gang Unit, prosecuted the case.

Updated October 27, 2017

Drug Trafficking