British Columbia sues OpenAI and Sam Altman over Tumbler Ridge mass school shooting

THE NEWS

What happened

British Columbia has filed a federal lawsuit in California against OpenAI and CEO Sam Altman following the tragic Tumbler Ridge school shooting. The province alleges that OpenAI failed to alert law enforcement despite internal flags on the shooter's ChatGPT conversations regarding gun violence. The suit seeks damages for recovery costs and demands changes to safety protocols, marking a significant escalation in legal challenges against AI companies over their role in potential violent acts.

CONTEXT

Why it matters

British Columbia has taken legal action against OpenAI, filing a lawsuit in California federal court regarding the Tumbler Ridge school shooting. The province argues that OpenAI failed to warn law enforcement despite internal flags on the shooter's ChatGPT conversations about gun violence. The suit seeks financial damages for recovery efforts and mandates changes to how the company handles safety risks. This case highlights growing scrutiny of AI safety protocols following recent tragedies.

AT A GLANCE

Key facts

• British Columbia sued OpenAI and Sam Altman in San Francisco federal court on September 22, 2026.
• The lawsuit stems from the February mass shooting at a school in Tumbler Ridge, British Columbia, where nine people were killed.
• Shooter Jesse Van Rootselaar was flagged by OpenAI's safety team in June 2025 for conversations about gun violence but was not reported to police.
• OpenAI leadership reportedly overruled safety team recommendations to contact law enforcement at the time.
• The shooter deactivated her account but created a new one to continue planning the attack.
• British Columbia is seeking damages for school replacement, mental health care, and other recovery costs.
• This case follows similar lawsuits in Florida and against OpenAI regarding the Florida State University shooting.