On February 10, 18-year-old Jesse Van Rootselaar killed her mother and half-brother in the town of Tumbler Ridge, British Columbia , before continuing her shooting spree at a nearby secondary school. In total, nine people were killed (including the perpetrator). It was Canada’s deadliest school shooting since 1989. But these discussions weren’t had with other humans online. They were had with ChatGPT. On February 21, The Wall Street Journal reported that in June 2025, Van Rootselaar had had a