Intelligence Update Addendum: Comparison of Tumbler Ridge Mass Shooting (2026) to École Polytechnique Massacre (1989) As of February 13, 2026 (06:44 AM CST), media and official sources frequently reference the École Polytechnique massacre (December 6, 1989, Montreal, Quebec) when contextualizing the Tumbler Ridge incident, describing it as Canada’s worst school shooting until the recent event […]