BOSTON, Mass.- Eight individuals have been charged in connection with an alleged drug and firearms trafficking conspiracy operating in and around Worcester, Massachusetts, involving the distribution of cocaine, crack cocaine, fentanyl, and multiple firearms, according to federal prosecutors.
The defendants were arrested on May 28, 2026, and remained detained following initial appearances in federal court in Worcester, according to the U.S. Attorney’s Office for the District of Massachusetts.
Federal authorities allege the conspiracy operated from March 2026 through April 2026, during which several defendants sold controlled substances, including cocaine, crack cocaine, and fentanyl, to undercover law enforcement officers and confidential informants in the Worcester area.
Those charged include 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. Each is charged in connection with conspiracy to distribute controlled substances or distribution of controlled substances.
Separately, Omar Ramos-Jimenez, 27, of Worcester, is charged with dealing in firearms without a license and distribution of a controlled substance. Onix Aviles, 25, of Worcester, is also charged with dealing in firearms without a license.
According to charging documents, Aviles allegedly sold firearms on two occasions without a license, including a privately manufactured firearm. Ramos-Jimenez is alleged to have sold multiple firearms and fentanyl to confidential informants and to have sent messages advertising firearms for sale in Worcester.
Federal prosecutors further allege that Walsh, Berry-Vazquez, Martinez, Muniz, Dick Rivera, and Valentin-Perez participated in drug transactions involving cocaine, crack cocaine, and fentanyl during the two-month investigation period.
The charges of conspiracy to distribute controlled substances and distribution of controlled substances each carry a maximum sentence of up to 20 years in prison, at least three years of supervised release, and fines of up to $1 million. A charge of possession with intent to distribute and distribution of a controlled substance carries a maximum sentence of up to 30 years in prison, up to six years of supervised release, and a fine of up to $2 million. Charges related to dealing in firearms without a license carry a maximum sentence of up to five years in prison, up to three years of supervised release, and a fine of up to $250,000.
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