Former Methuen Man Sentenced to 10 Years in Prison for Conspiring to Traffic Fentanyl, Heroin

Martin Gonzalez-Diaz, 34, formerly of Methuen, was sentenced to 10 years in federal prison Monday after conspiring to traffic more than one kilogram of heroin, along with fentanyl and oxycodone.

Gonzalez-Diaz and his codefendant, Juan Alexis Diaz Pena, 31, conspired to distribute the drugs in Lawrence from spring 2014 to January 2016, court records show. The drugs were then sold and redistributed in the Rochester, N.H. area.

Upon completion of his prison sentence, Gonzalez-Diaz will likely face deportation proceedings, the U.S. Attorney’s Office confirmed.

Pena, also formerly of Methuen, was sentenced in June to 96 months in prison for his role in the conspiracy and for unlawful possession of a firearm. When DEA agents searched an apartment connected to Pena, quantities of cocaine and heroin, along with a loaded 9 mm semi-automatic handgun were recovered.

“The United States Attorney’s Office is committed to working with our local, state and federal law enforcement partners to address the significant presence of heroin and fentanyl in New Hampshire. We will continue to target drug trafficking organizations that are responsible for the importation of large quantities of these drugs into New Hampshire from source cities like Lawrence, Massachusetts,” Acting United States Attorney John J. Farley said in a statement Tuesday.

The DEA teamed with the Portsmouth, N.H. Tactical Diversion Unit and the Rochester, N.H. and Haverhill Police Departments to conduct the investigation.

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