LLMCritical
ChatGPT Was Reportedly Used in Planning School Stabbing in Pirkkala, Finland, That Injured Three Pupils
- Occurred
- May 20, 2025
- Published
- May 20, 2025
- Source
- AI Incident Database
Summary
In May 2025, a 16-year-old boy stabbed three 14-year-old girls at Vähäjärvi School in Pirkkala, Finland. Same-day reporting said a manifesto attributed to the suspect claimed he used ChatGPT while planning the attack. Later court reporting said police found hundreds of pre-attack searches or queries described as involving AI, including topics related to stabbing, anatomy, school attacks, police procedures, evidence concealment, and manifestos.
Developers
- OpenAI
- AI search technology developers
Deployers
- Pirkkala school stabbing suspect
- OpenAI
- School violence planners and assailants
- Violent attack planners and assailants
Harmed parties
- Vähäjärvi School pupils
- Vähäjärvi School community
- Students
- Pirkkala school stabbing victims
- High school students
- Educational communities
- Victims of school violence planners and assailants
- Victims of violent attack planners and assailants
Classification
Category confidence: 90%
Severity confidence: 95%
Rationale: ChatGPT was used to plan a violent school stabbing resulting in injuries.
Classifier: Qwen/Qwen3.5-35B-A3B-FP8