OpenAI, the U.S. company behind ChatGPT, has said it had banned last June the account associated with the teenager behind the mass shooting in Tumbler Ridge, B.C. The company told CBC News that Jesse Van Rootselaar's account was detected via automated tools and human investigations that "identify misuses of our models in furtherance of violent activities." In its statement, OpenAI said that the account's activity in June 2025 didn't meet the "higher threshold required" to refer it to law