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Fall River man pleads guilty to selling fentanyl and guns to cooperating witness

Wilson Colon-Tirado, 34, who prosecutors say has at least 32 prior convictions, admitted to fentanyl distribution, drug conspiracy and illegal gun possession charges in federal court in Boston.

A Fall River man pleaded guilty Wednesday in federal court in Boston to selling fentanyl, cocaine and guns to a person cooperating with investigators, the U.S. attorney's office in Massachusetts said.

Wilson Colon-Tirado, 34, pleaded guilty to three counts of distributing 40 grams or more of fentanyl, one count of conspiracy to distribute drugs and one count of being a felon in possession of a firearm, prosecutors said. He was charged in October 2025 along with Antonio Dossantos-Tirado, whom prosecutors described as his relative.

According to prosecutors, Colon-Tirado sold a gun, about 31 grams of fentanyl and about 29 grams of cocaine to the cooperating witness on June 10, 2025, at the Sunset Hill housing development in Fall River, in a deal arranged with him and Dossantos-Tirado. Prosecutors said he sold the witness about 49.9 grams of fentanyl on June 17, 2025, and on July 24, 2025, sold two privately made 9mm guns and about 19.9 grams of fentanyl, saying during that meeting that he could get more guns. He sold about 51.1 grams of fentanyl on Aug. 6, 2025, and about 50 grams on Oct. 7, 2025, prosecutors said.

Prosecutors said Colon-Tirado has at least 32 prior criminal convictions, including a 2021 Massachusetts conviction for trafficking cocaine that brought a two- to three-year state prison sentence. His felony record bars him from having guns.

Each fentanyl distribution count carries a mandatory minimum of five years and up to 40 years in prison. Senior U.S. District Judge William G. Young will sentence him.

Dossantos-Tirado pleaded guilty Sept. 22 and is scheduled to be sentenced Dec. 21, prosecutors said.

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Massachusetts