Federal authorities have dismantled a drug and firearms trafficking ring operating in the heart of Massachusetts, leading to the arrest and detention of eight individuals following a series of initial appearances in a Worcester federal court.
The sweep, announced by United States Attorney Leah B. Foley and Special Agent Thomas A. Greco of the Bureau of Alcohol, Tobacco, Firearms & Explosives (ATF), Boston Division, targeted a conspiracy operating in and around Worcester. According to court documents, the illicit operations took place between March 2026 and April 2026.
Federal prosecutors allege that six of the defendants—Alisa Walsh, 34, of Oakham; Osiris Berry-Vazquez, 23, of Worcester; Fendy Martinez, 35, of Worcester; Luis Muniz, 33, of Worcester; Luis Dick Rivera, 39, of Worcester; and Fernando Valentin-Perez, 45, of Worcester—sold controlled substances to undercover law enforcement officers and confidential informants. The trafficked narcotics allegedly included cocaine, crack cocaine, and fentanyl.
The remaining two defendants face charges tied to illegal weapons sales. Investigators allege that Onix Aviles, 25, of Worcester, sold unlicensed firearms on two separate occasions, including a privately manufactured weapon. Meanwhile, Omar Ramos-Jimenez, 27, of Worcester, is accused of selling both fentanyl and several firearms to confidential informants.
The specific charges carrying varying maximum penalties under federal law:
- Conspiracy to distribute and distribution of controlled substances: Up to 20 years in prison, three years to a lifetime of supervised release, and a $1 million fine.
- Possession with intent to distribute and distribution of a controlled substance: Up to 30 years in prison, six years of supervised release, and a $2 million fine.
- Dealing in firearms without a license: Up to five years in prison, three years of supervised release, and a $250,000 fine.
Actual sentences will be determined by a federal district court judge, guided by the U.S. Sentencing Guidelines and federal statutes.
The investigation relied on a massive collaborative effort. Local, state, and federal agencies providing assistance included the Drug Enforcement Administration (DEA), Homeland Security Investigations (HSI), the Massachusetts State Police, the Worcester Police Department, and the Worcester District Attorney’s Office. Assistant U.S. Attorneys Kristen M. Noto, Brendan O’Shea, and Zachary Stendig are leading the prosecution.
This crackdown falls under the umbrella of the Homeland Security Task Force (HSTF) initiative, created by Executive Order 14159, titled Protecting the American People Against Invasion. The HSTF functions as a whole-of-government partnership aimed at dismantling criminal cartels, foreign gangs, transnational organizations, and smuggling rings.
While the task force maintains a broad mandate—including a focus on child trafficking and the removal of violent criminal aliens—this specific regional operation targeted local drug and weapons pipelines. The Boston branch of the HSTF pools resources from a wide array of agencies, including the FBI, IRS-CI, U.S. Marshals Service, and local police.
The details outlined in the charging documents remain strictly allegations. All eight defendants are presumed innocent unless and until they are proven guilty beyond a reasonable doubt in a court of law.
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