Sheyenne Achneepineskum and Aaron Beaver Charged With Manslaughter in Thunder Bay Assault Investigation, The City’s 10th homicide this year

Thunder Bay, Ontario 2026 Homicide Victim List

On August 15, 2026, officers from the Primary Response Unit responded to a business on Dawson Road after receiving reports of an assault. A search of the surrounding area led officers to an injured woman, who was transported to a local hospital for medical treatment.

Two days later, on August 17, the victim died from injuries sustained in the incident.

As a result, 29-year-old Sheyenne Achneepineskum and 30-year-old Aaron Beaver, both of Thunder Bay, have each been charged with manslaughter.

Both accused appeared in court and were remanded into custody. They are scheduled to appear at a later date.

The investigation remains ongoing, and police have not released further details at this time.