BROCKTON — State police arrested two Brockton men for trafficking fentanyl and cocaine following a large-scale narcotics investigation into a criminal organization in Southeastern Massachusetts.

State police said that Joshua Tavares, 23, and Kareem Pires, 22, have both been charged with fentanyl and cocaine trafficking as well as conspiracy to violate drug laws.

The arrests come after a massive, months-long investigation by multiple state police units in conjunction with police from Brockton, East Bridgewater, Quincy, and Norwood as well as the Department of Homeland Security and the Drug Enforcement Administration.

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The investigation lasted several months and included controlled drug purchases, extensive electronic surveillance, and searches of vehicles resulting in large seizures of narcotics.

During the course of the operation, investigators were granted search warrants for six homes and two motor vehicles.

Both Tavares and Pires are scheduled for arraignment at Brockton District Court.

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