Ontario Provincial Police (OPP) say they’ve made the largest fentanyl seizure in the organization’s history, dismantling a drug trafficking network tied to organized crime and pulling millions of dollars’ worth of illicit substances off the streets.

The investigation, dubbed Project Rotherham, began in the fall of 2024 and was led by the OPP in partnership with Windsor Police Service (WPS). Authorities identified two key suspects linked to criminal organizations.

On Sept. 25, 2025, officers executed three residential search warrants and three vehicle warrants in Windsor. Evidence gathered during those raids led to an additional search warrant at another residence.

What police seized • 46 kg suspected fentanyl — the largest seizure in OPP history • 3.4 kg suspected cocaine • 1 kg s

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