OpenAI Tightens Policies After Murder Suspect’s ChatGPT Use (1)

OpenAI Inc. told Canadian lawmakers it would have referred a banned ChatGPT user who later became the chief suspect in one of the country’s worst-ever mass shootings to police under newly updated policies.

The artificial intelligence company also revealed Thursday that the suspected killer in the Tumbler Ridge, British Columbia tragedy, 18-year-old Jesse Van Rootselaar, had a second ChatGPT account that it failed to detect until after police released her name. The company previously said it had flaggedanother account owned by Van Rootselaar in June 2025, eight months before February’s killings, using systems that scan for misuse, including potential ...