The rampage shocked Canada - where mass killings are rare - and many questions remain about the motive and timeline of events.The killings, which unfolded on 4 September over Canada's Labour Day weekend, sparked a massive manhunt for the Sanderson brothers.Rhonda Blackmore, commander of the Saskatchewan RCMP, said that both brothers were actively dealing drugs in the community on the eve of the attack, 3 September, and had been involved in three violent altercations on the same day.Police did not clarify whether Damien's death took place before or after the other killings, or whether he was responsible for any of the injuries sustained by the attack's survivors.Chief coroner Clive Weighill has said the official cause of death is unlikely to be released until early 2023, after the culmination of two separate inquests."