OpenAI previously banned B.C. mass shooter's account; Cancer vaccine trial

OpenAI, the American company behind ChatGPT, has revealed it banned the account of Jesse VanRootselaar, the Tumbler Ridge shooter, seven months before the rampage. Angela Jung explains why, and why the company did not notify police. Candice Cole looks at how owners of small businesses are breathing a bit easier after the U.S. Supreme Court ruled most of President Donald Trump's tariffs are illegal. Katherine Ward speaks with a Canadian who participated in a clinical trial for a cancer vaccine. In Milan, Mike Armstrong looks at how Team Canada won multiple medals today. And Melissa Ridgen takes us to a special Winnipeg ice rink where a gym teacher is helping his students get a taste of the Olympics. Learn more about your ad choices. Visit megaphone.fm/adchoices