Constable Sébastien Coghlan-Goyette was killed in an automobile accident while responding to an emergency call. During the response his patrol car struck a deer on Route 340 in Les Cedres. The impact caused the vehicle to leave the roadway and hit a tree.
Constable Coghlan-Goyette and a student ride-along both severe injuries. Both were transported to a local hospital where they succumbed to their injuries a short time later.
Constable Coghlan-Goyette had served with the Sûreté du Québec for three years.