Juan Carlos De Los Santos Romero, Methamphetamine and Fentanyl Trafficking, New Hampshire 2026

CONCORD – A notorious Dominican drug trafficker pleaded guilty today in federal court for his role in distributing large quantities of methamphetamine and fentanyl in the New Hampshire seacoast area.

Juan Carlos De Los Santos Romero, a citizen of the Dominican Republic who previously lived in Massachusetts, pleaded guilty to one count of conspiracy to distribute controlled substances and one count of distribution of methamphetamine.

According to court documents and statements made in court, De Los Santos Romero was a member of a Methuen-based drug trafficking organization (DTO) that was involved in ten controlled purchases of fentanyl and methamphetamine with undercover law enforcement officers in late 2023 and early 2024.

De Los Santos Romero’s sentencing has been set for June 10, 2026.

The Drug Enforcement Administration led the investigation, with valuable assistance provided by the Seabrook Police Department, Hampton Police Department, Portsmouth Police Department, Methuen Police Department, and the New Hampshire State Police.

Assistant U.S. Attorney Matthew Vicinanzo is prosecuting the case.

This case is part of Operation Take Back America, a nationwide initiative that marshals the full resources of the Department of Justice to repel the invasion of illegal immigration, achieve the total elimination of cartels and transnational criminal organizations (TCOs), and protect our communities from the perpetrators of violent crime.

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