Families of Canadian mass shooting victims sue OpenAI, CEO Altman in U.S. court

Community members attend a vigil to honor the victims of one of Canada's deadliest mass shootings in Tumbler Ridge, British Columbia, Canada, on February 13, 2026. Paige Taylor White | Afp | Getty Images Family members of victims of one of Canada's deadliest mass shootings sued OpenAI and its CEO Sam Altman in U.S. court on Wednesday, alleging the company identified the shooter as a credible threat eight months before the attack but did not warn police. …