British Columbia lawsuit implicates ChatGPT, claiming tech firm ignored deadly threats and demanding safety overhauls.
The Canadian province of British Columbia has sued the California firm OpenAI for failing to notify law enforcement of threats made on its ChatGPT platform before a shooter opened fire at a school in Tumbler Ridge.
The lawsuit, filed in federal court in San Francisco on Monday, names OpenAI and its CEO, Sam Altman, as defendants.
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list 1 of 3Families sue OpenAI, alleging chatbot aided in Canadian school shooting
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list 2 of 3Canadian province preps OpenAI lawsuit over alleged ChatGPT-linked shooting
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list 3 of 3OpenAI faces new lawsuits over Tumbler Ridge mass shooting tragedy The British Columbia government is seeking financial compensation from OpenAI to cover past and future costs tied to emergency response and community recovery efforts. The lawsuit also seeks a court order forcing the company to overhaul how it identifies and handles user conversations that threaten violence.
Eight victims died in the February 10, 2026 attack in the small town of Tumbler Ridge, in what officials described as one of Canada’s worst mass shootings. The shooter killed her mother and half-brother at their home before going to a secondary school, where she killed five children and an educator, and then died by suicide at the scene.
The shooter, Jesse Van Rootselaar, 18, a former student at the school, had been flagged by ChatGPT’s safety team after her conversations about gun violence, but the company did not alert police.
British Columbia Attorney General Niki Sharma said in a statement that Tumbler Ridge residents deserved answers and accountability.
“This action is an important step toward seeking justice for the families, students, educators and community members whose lives were forever changed,” she said.
She said the lawsuit raises serious questions about the responsibilities of tech firms when they become aware of credible threats of violence.
“This case highlights the urgent need for strong national safeguards for artificial intelligence technologies and online platforms,” she said.
Altman published a letter to the community in April, saying he was “deeply sorry” OpenAI had not contacted law enforcement. He promised reforms but never followed through, despite efforts by the province’s attorney general to engage, the lawsuit says.
The British Columbia lawsuit comes after more than 30 lawsuits were filed in the same California federal court by victims’ families, survivors and others affected by the attack, accusing OpenAI of negligence for failing to intervene and alert authorities.