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AII-1001-11721
Under investigationA regulator, court or police has opened a formal inquiry and reached no finding yet.

OpenAI detected violent intent in ChatGPT user before Canadian mass shooting, did not alert authorities

OpenAI reportedly detected that a ChatGPT user was describing violent scenarios in June 2025 and considered alerting Canadian police but concluded there was no credible imminent risk and did not report the account. Several months later, the user allegedly carried out a mass shooting in British Columbia that killed nine people.

June 2025 · OpenAI · Safety and wellbeing
June 2025
AII-1001-117212 sources ↓
Quick facts
Category
Safety and wellbeing
Country
Canada
Source
Digi24
Date
June 2025
Drafted by
Raidu Incident Detection

What happened

In June 2025, OpenAI's internal abuse detection systems flagged the ChatGPT account of Jesse Van Rootselaar as supporting or facilitating violent activities after the user described scenarios involving firearm violence over several days.

OpenAI representatives evaluated whether to report the account to Canadian police but decided that no credible and imminent risk of serious violence existed, which was the threshold required to alert authorities. The account was closed in June 2025 for violating usage policies.

Reported impact

A week after the article date of 21 February 2026, Jesse Van Rootselaar killed nine people in Tumbler Ridge, British Columbia, including a teacher and multiple children at a school and family members at home.

Governance controls

After the incident, OpenAI reported that it contacted police and provided investigators with information about the suspect's use of the platform. The company stated it would continue to cooperate with authorities during the investigation.

Classification

Category
Safety and wellbeing
Industry
IT infrastructure and hosting
Country
Canada
Harm status
Actual harm
Intent
Unintentional
Timing
Post-deployment
Harm types
Physical death, Physical injury
Harmed
General public
Failure modes
Content moderation failure
Consequences
System suspension or termination
AI systems
ChatGPT

Sources and evidence

This record was researched and written by the Index, based on the following original reporting.

Digi24
Adolescenta de 18 ani, care și-a ucis familia și mai mulți copii într-o școală din Canada, discutase cu ChatGPT scenarii violente
21 February 2026
Ziare.com
Open AI anunță că adolescenta care a ucis nouă persoane în Canada a avut activități online care indicau un profil violent, însă compania nu a anunțat autoritățile
21 February 2026