An individual has been charged with first degree murder in connection with a 2025 homicide investigation in Clarence-Rockland.
On Saturday, May 17, 2025, at approximately 5:30 p.m., officers from the Russell County Detachment of the Ontario Provincial Police (OPP) responded to a report of a body discovered in the Ottawa River, near Dallaire Street.
The postmortem examination identified the deceased as 63-year-old Robert Prevost, of Clarence-Rockland, who was reported missing in early March 2025. He was last seen at his home on Laurier Street in early February 2025. Police deemed that his death was a result of homicide.
Following a thorough investigation, on Thursday, June 4, 2026, 51-year-old Luc Decarie of St-Gabriel-de-Brandon, Québec, was arrested and charged with the following Criminal Code offences:
- First degree murder, s. 231(2)
- Indignity to a body, s. 182
- Conspiracy to commit murder, s. 465(1)(a)
The accused remains in custody and is was scheduled to appear before the Ontario Court of Justice in L’Orignal on Friday, June 5.
“The OPP would like to thank the public for their continued support and patience as we conducted our investigation into the homicide of Robert Prevost. The dedicated work of investigators and supporting units has led to charges being laid, holding an individual accountable for Robert’s death,” said Inspect Jocelyn Sauvé of the OPP Criminial Investigation Branch.
The Russell County OPP Crime Unit is continuing the investigation under the direction of the CIB, in conjunction with the Office of the Chief Coroner and the Ontario Forensic Pathology Service. Assistance was provided by OPP Forensic Identification Services and OPP specialized units, including the Emergency Response Team, Canine Unit, Aviation Unit, Underwater Search and Recovery Unit and the Snowmobile, All-Terrain Vehicle and Vessel Enforcement team.
Anyone with any information regarding this investigation should contact the Russell County OPP at 1-888-310-1122. Should you wish to remain anonymous, contact Crime Stoppers at 1-800-222-8477 (TIPS) or ontariocrimestoppers.ca.
