Based on coverage from CBC, Castanet, Vancouver Sun, and Winnipeg Free Press.
A fifth person is now facing charges tied to a double homicide near Penticton, B.C., after RCMP arrested and charged 36-year-old Yves “Oliver” Grenier with two counts of first-degree murder. Police say the charges relate to the deaths of Douglas Barker and Alannah Brown, both 30, whose bodies were found in September 2022.
Grenier remains in custody. The BC Prosecution Service approved the two first-degree murder counts, according to RCMP.
Penticton double murder charges laid
RCMP say Grenier was arrested Friday, with the announcement made Saturday. The victims, Barker and Brown, were found near the Kickininnee Provincial Park pullout north of Penticton, according to reporting that details the location.
“This was an extensive and complex investigation,” BC RCMP Supt. Sanjaya Wijayakoon said in a statement echoed across multiple reports. Wijayakoon also said police have now made what they expect will be the final arrest in the case.
Police describe a years-long investigation that included evidence gathering, witness interviews, and forensic analysis.
What RCMP say happened in 2022
The investigation dates back to September 2022, when police were called to the Penticton-area scene where the remains of two victims were found, RCMP say.
One earlier indictment, cited in reporting, alleged Grenier murdered Brown and Barker on Sept. 14, 2022, but the new reports make clear the formal first-degree murder charges against Grenier were only laid now.
As with any case at this stage, the allegations have not been proven in court.
Previous charges and changing court list
Before Grenier’s arrest, RCMP said four other people had already been charged in 2025 in connection with the homicides, with major charges announced in July and another charge added in November.
Reports agree Jilane King was charged with first-degree murder in Barker’s death and with being an accessory after the fact to both killings.
They also agree Simon Bourbonnais faces several allegations: accessory after the fact in both deaths, unlawful confinement of Brown, indignity to human remains of both victims, and a manslaughter charge connected to Brown.
Tyler Stuart’s status is where the reporting differs. RCMP summaries list Stuart as charged with accessory after the fact and indignity to human remains. Other reporting says all charges against Stuart were later dropped after another person, Mitchell Meilleur, was charged in November with accessory after the fact to murder and interference with a dead body.
RCMP have also said one suspect has not been publicly named, separate from the people already in the court system.
What happens next in B.C. courts
With Grenier now charged with two counts of first-degree murder, the file shifts further into the court process. RCMP say he remains in custody as the case proceeds.
Wijayakoon said police continue to think about the families of Barker and Brown and hope the latest charges mark progress as the matter moves through the courts. For people in the South Okanagan following this, the key change is that the person previously alleged in an indictment to be the killer is now formally charged, alongside the accessory and related charges already before the court.
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