OpenAI flagged Canadian school shooter months before massacre but did not alert police

Written by on February 21, 2026

ChatGPT-maker OpenAI said on Friday that it had considered alerting Canada’s police last year about the activities of a person who months later committed one of the worst school shootings in the country’s history.
OpenAI said the company identified the account of Jesse Van Rootselaar last June via abuse detection efforts for “furtherance of violent activities”.
The San Francisco tech company said it considered whether to refer the account to the Royal Canadian Mounted Police but determined at…

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