OpenAI CEO Sam Altman. Anna Moneymaker/Getty Images Sam Altman apologized to a community in Canada after a mass shooting by a banned ChatGPT user. The OpenAI CEO said he is "deeply sorry" his company didn't alert police to the shooter's activity. He promised to "help ensure something like this never happens again." OpenAI boss Sam Altman has apologized to a Canadian community for failing to alert authorities about a banned ChatGPT account linked to a teenager who went on to commit a mass shooting. Jesse Van Rootselaar, who died from a self-inflicted gunshot wound during the attack in January, killed eight people and injured dozens of others in Tumbler Ridge, British Columbia. OpenAI said it banned 18-year-old Van Rootselaar's ChatGPT account because of problematic usage, but did not refer the matter to police because it did not meet its threshold of a credible or imminent plan for serious physical harm to others.…