Man Charged with First-Degree Murder in Ottawa River Homicide

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

In a significant development, Ontario Provincial Police (OPP) have charged a 51-year-old man with first-degree murder in connection with the death of Robert Prevost, a Clarence-Rockland resident whose body was found in the Ottawa River last year. This tragic case, which has drawn considerable attention, took a decisive turn with the recent arrest of Luc Decarie from St-Gabriel-de-Brandon, Quebec.

Discovery of the Body

On the evening of May 17, 2025, OPP officers responded to a distressing report regarding a body located in the Ottawa River, near Dallaire Street. The grim discovery led investigators to conduct an autopsy, which confirmed that the deceased was Prevost, 63, who had been missing since early March of the same year. Prevost was last seen at his residence on Laurier Street in early February.

Subsequent investigations by the police classified Prevost’s death as a homicide, prompting an extensive search for answers regarding the circumstances surrounding his demise.

Arrest and Charges

On Thursday, authorities announced the arrest of Decarie, who now faces multiple serious charges, including first-degree murder, indignity to a body, and conspiracy to commit murder. The police have not disclosed the specific details that led to Decarie’s arrest, but it marks a pivotal moment in a case that has left the local community in shock.

Decarie is scheduled to appear in court on Friday, where further proceedings will unfold. The police have indicated that their investigation is ongoing, urging anyone with additional information to come forward.

Community Reaction

The revelation of the homicide and subsequent arrest has sent ripples through the Clarence-Rockland community, where Prevost was well-known. Friends and family members are grappling with the loss, recalling Prevost as a beloved member of their community. The incident serves as a stark reminder of the vulnerabilities faced by individuals and families.

As the case progresses to court, residents are left with lingering questions about safety and justice in their neighbourhood. The emotional toll on family and friends is immense, as they seek closure in the wake of this tragedy.

Why it Matters

This case underscores the ongoing challenges that communities face regarding violence and crime. The swift action taken by law enforcement highlights the importance of investigative diligence in resolving such cases. Moreover, it raises awareness about the impact of violent crime on families and communities, reminding us all of the critical need for support and vigilance in ensuring public safety. As the legal proceedings move forward, the community’s quest for justice for Robert Prevost continues, marking a chapter in the broader narrative of crime and resolution in Ontario.

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