Quebec Man Charged with First-Degree Murder in Ottawa River Homicide Case

Sophie Tremblay, Quebec Affairs Reporter
3 Min Read
⏱️ 2 min read

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A 51-year-old man from Quebec has been charged with first-degree murder following the discovery of a body in the Ottawa River last year. The Ontario Provincial Police (OPP) made the announcement on Thursday, detailing the tragic circumstances surrounding the case that has captured local attention.

Discovery of the Body

On the evening of May 17, 2025, OPP officers from the Russell County detachment responded to reports of a body found in the Ottawa River, close to Dallaire Street. The grim discovery led to an intensive investigation, as authorities worked to identify the deceased individual. An autopsy later confirmed the body as that of Robert Prevost, a 63-year-old resident of Clarence-Rockland. Prevost had been reported missing in early March 2025 and was last seen at his home on Laurier Street in February of the same year.

The circumstances of Prevost’s death were quickly classified as homicide, prompting authorities to delve deeper into the events leading up to the tragedy.

Arrest and Charges

The investigation took a significant turn on Thursday when police arrested Luc Decarie, a St-Gabriel-de-Brandon resident. Decarie now faces multiple charges, including first-degree murder, indignity to a body, and conspiracy to commit murder. This multifaceted array of charges reflects the severity of the case and the complexity of the circumstances that led to Prevost’s untimely death.

Decarie is scheduled to appear in court on Friday, where further details are expected to emerge as the legal proceedings get underway.

Ongoing Investigation

The OPP has indicated that their investigation remains active. Detectives are pursuing all leads to uncover the full story behind Prevost’s death and the role Decarie may have played.

As the legal process unfolds, the community and Prevost’s family are left grappling with the impact of this tragic event.

Why it Matters

This case underscores the ongoing issues of violence and homicide in communities across Canada. It serves as a stark reminder of the fragility of life and the profound effects that such incidents have on families and communities. With the legal proceedings ahead, many will be watching closely, hoping for justice and answers regarding the circumstances surrounding Robert Prevost’s death.

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