| Date | Name | City | Province | Licensed | Victims | Deaths | Injuries | Suicide | Firearms | OIC Impact |
|---|---|---|---|---|---|---|---|---|---|---|
| 2022 | Desormeaux | Sudbury | ON | 2 | 3 | 0 | Yes | Yes |
Firearm
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Classification: reported
Incident Summary: On Sunday in 2022, a murder-suicide occurred in Coniston, Greater Sudbury, Ontario, resulting in the deaths of three family members: Brian Desormeaux (46), Janet Desormeaux (43), and Ashton Desormeaux (17).
Well-Supported Details:
Unverified or Conflicting Claims: None identified.
Source Quality Notes:
A 13-year-old girl has died after being injured in a chairlift incident at a ski hill in western Quebec. The incident occurred on February 16, 2026.
Sudbury police say they are investigating the deaths of three people in a Coniston home, in Greater Sudbury, Ont., as a murder-suicide. The victims were identified as Brian Desormeaux, 46, Janet Desormeaux, 43, and Ashton Desormeaux, 17, who were a father, mother, and son.
Three members of a family, Brian and Janet Desormeaux, 46 and 43, and their 17-year-old son Ashton, were found deceased in a home on Caruso Street in Coniston.
The Greater Sudbury Police are investigating the incident as a murder-suicide.
The police service said they responded to an "unknown trouble" at the residence on Sunday and located the three people deceased upon entering the home.
The investigation is ongoing, with detectives working in collaboration with the Coroner's Office.
Post-mortems will be conducted to determine the cause of death.