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ChatGPT Helped Tumbler Ridge Shooter Focus on Guns, Tactics, and Terror

  • Mark Follman--Mother Jones
  • published date: 2026-09-24 16:58:03 UTC

In June 2025, Jesse Van Rootselaar received an email notification from OpenAI. Van Rootselaar had been using ChatGPT to discuss committing potential acts of violence—including a mass shooting at a shopping mall—and now OpenAI had banned that account. But the …

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