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Harm Ledger · provisional · Other

British Columbia Sues OpenAI for Failure to Warn Before Shooting - Bloomberg.com

British Columbia Sues OpenAI for Failure to Warn Before Shooting  Bloomberg.com

Tier 2 Significant HarmMethodology 0.2
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Current score

−0.25

3 base · Significant Harm (tier 2 of 5, 3 pts)
× 0.7500 attribution · Critical contribution
× 0.5000 evidence · External expert evaluation
× 0.5500 realization · Experimentally validated
× 0.4000 durability · Temporary or quickly replaceable
Event-level product before credit split: 0.25

Ingest update: independent source raised evidence; added a follow-up source. Score remains provisional until review. Follow-up ingest: independent source raised evidence; added a follow-up source. Follow-up ingest: independent source raised evidence; added a follow-up source. Follow-up ingest: independent source raised evidence; added a follow-up source. Follow-up ingest: added a follow-up source. Follow-up ingest: added a follow-up source. Follow-up ingest: added a follow-up source. Follow-up ingest: added a follow-up source. Follow-up ingest: added a follow-up source. Follow-up ingest: added a follow-up source. Follow-up ingest: added a follow-up source. Follow-up ingest: added a follow-up source. Follow-up ingest: added a follow-up source.

What happened

British Columbia Sues OpenAI for Failure to Warn Before Shooting  Bloomberg.com Update (2026-09-21): British Columbia sues OpenAI over Tumbler Ridge school shooting - Reuters. British Columbia sues OpenAI over Tumbler Ridge school shooting  Reuters Update (2026-09-21): British Columbia Sues OpenAI Over Tumbler Ridge Shooting - The New York Times. British Columbia Sues OpenAI Over Tumbler Ridge Shooting  The New York Times Update (2026-09-22): Canada’s BC sues OpenAI over ChatGPT role in Tumbler Ridge school shooting - Al Jazeera. Canada’s BC sues OpenAI over ChatGPT role in Tumbler Ridge school shooting  Al Jazeera Update (2026-09-22): British Columbia files a lawsuit against OpenAI over mass shooting - Business Insider. British Columbia files a lawsuit against OpenAI over mass shooting  Business Insider Update (2026-09-22): OpenAI Faces British Columbia Lawsuit Over 8-Victim School Shooting - Yellow.com. OpenAI Faces British Columbia Lawsuit Over 8-Victim School Shooting  Yellow.com Update (2026-09-22): OpenAI Faces Lawsuit From British Columbia Over Tumbler Ridge Shooting - Engadget. OpenAI Faces Lawsuit From British Columbia Over Tumbler Ridge Shooting  Engadget Update (2026-09-22): British Columbia sues OpenAI and Sam Altman over Tumbler Ridge mass school shooting - The Guardian. British Columbia sues OpenAI and Sam Altman over Tumbler Ridge mass school shooting  The Guardian Update (2026-09-22): British Columbia Lawsuit Targets OpenAI Over Shooting - StratNews Global. British Columbia Lawsuit Targets OpenAI Over Shooting  StratNews Global Update (2026-09-21): British Columbia Sues OpenAI, Alleging ChatGPT Aided Mass School Shooting - WSJ. British Columbia Sues OpenAI, Alleging ChatGPT Aided Mass School Shooting  WSJ Update (2026-09-22): British Columbia Sues OpenAI Alleging Failure to Warn Before Mass Shooting - Insurance Journal. British Columbia Sues OpenAI Alleging Failure to Warn Before Mass Shooting  Insurance Journal Update (2026-09-22): British Columbia sues OpenAI over Tumbler Ridge shooting - wng.org. British Columbia sues OpenAI over Tumbler Ridge shooting  wng.org Update (2026-09-22): Canadian province sues OpenAI over Tumbler Ridge mass shooting - BBC. Canadian province sues OpenAI over Tumbler Ridge mass shooting  BBC Update (2026-09-24): British Columbia sues OpenAI and Sam Altman for 'aiding and abetting' school shooter — lawsuit says OpenAI identified shooter's ChatGPT account eight months prior but hid it and didn't warn police - Tom's Hardware. British Columbia sues OpenAI and Sam Altman for 'aiding and abetting' school shooter — lawsuit says OpenAI identified shooter's ChatGPT account eight months prior but hid it and didn't warn police  Tom's Hardware

Model attribution

Unspecified AI system
Version unspecified
−0.25

Unspecified

Unspecified system mentioned or implied by a news item. Remap to a named release when identified.

News ingest does not infer a named model from the publisher alone. Attribution stays unspecified until a release is identified.

Attribution 0.7500 · Credit share 100% · Unknown

Claims

  • British Columbia Sues OpenAI for Failure to Warn Before Shooting - Bloomberg.com

    outcome · supported

Sources

primary sources

other sources

Revision history

  • 21 Sep 2026 · 0.00 → 0.07

    Auto-published from news ingest.

  • 21 Sep 2026 · 0.07 → 0.12

    Ingest update: independent source raised evidence; added a follow-up source.

  • 22 Sep 2026 · 0.12 → 0.17

    Ingest update: independent source raised evidence; added a follow-up source.

  • 22 Sep 2026 · 0.17 → 0.22

    Ingest update: independent source raised evidence; added a follow-up source.

  • 22 Sep 2026 · 0.22 → 0.25

    Ingest update: independent source raised evidence; added a follow-up source.

  • 22 Sep 2026 · 0.25 → 0.25

    Ingest update: added a follow-up source.

  • 22 Sep 2026 · 0.25 → 0.25

    Ingest update: added a follow-up source.

  • 22 Sep 2026 · 0.25 → 0.25

    Ingest update: added a follow-up source.

  • 22 Sep 2026 · 0.25 → 0.25

    Ingest update: added a follow-up source.

  • 22 Sep 2026 · 0.25 → 0.25

    Ingest update: added a follow-up source.

  • 22 Sep 2026 · 0.25 → 0.25

    Ingest update: added a follow-up source.

  • 22 Sep 2026 · 0.25 → 0.25

    Ingest update: added a follow-up source.

  • 23 Sep 2026 · 0.25 → 0.25

    Ingest update: added a follow-up source.

  • 24 Sep 2026 · 0.25 → 0.25

    Ingest update: added a follow-up source.

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