The head of OpenAI has written a letter apologizing that his company didn’t alert law enforcement about the online behavior of a person who shot and killed eight people in Tumbler Ridge, British Columbia. In the letter posted Friday, Sam Altman expressed his deepest condolences to the entire community. “I am deeply story that we did not alert law enforcement to the account that was banned in June,” Altman said. “While I know words can never be enough, I believe an apology is necessary to recognize the harm and irreversible loss your community has suffered.” The letter, dated Thursday, appeared on B.C. Premier David Eby’s social media and also on the local news website Tumbler RidgeLines on Friday. On Feb.…