Holmen v. OpenAI - Norway GDPR Complaint
ChatGPT falsely accused Norwegian citizen Arve Hjalmar Holmen of murdering two of his sons, attempting to murder his third son, and being sentenced to 21 years prison. Mixed real personal details with horrific fabrications. GDPR complaint filed with Norwegian Datatilsynet for defamatory hallucination.
AI System
ChatGPT
OpenAI
Occurred
March 1, 2025
Reported
March 15, 2025
Jurisdiction
NO
Platform
assistant
What Happened
In March 2025, Arve Hjalmar Holmen, a Norwegian citizen from Trondheim, discovered that ChatGPT was generating false and defamatory information about him when prompted with his name. The AI claimed he had:
- Murdered two of his sons
- Attempted to murder his third son
- Been convicted and sentenced to 21 years in prison
These allegations were entirely false. ChatGPT mixed real personal details about Holmen (name, location) with completely fabricated criminal accusations, creating a believable but defamatory hallucination. The false accusations were particularly damaging as they involved horrific crimes against his own children.
Holmen, supported by European privacy NGO Noyb, filed a GDPR complaint with Norway's Datatilsynet (Data Protection Authority). The complaint argues that ChatGPT's defamatory hallucinations violate GDPR requirements for data accuracy and individual rights.
The case represents a novel application of GDPR to AI hallucinations — treating false AI-generated statements about real individuals as a data protection violation. Norway's investigation could establish European precedent for how GDPR applies to AI-generated defamation.
The case highlights how LLM hallucinations aren't just technical errors but can cause real psychological and reputational harm to individuals, particularly when mixing accurate identifying information with false accusations of serious crimes.
AI Behaviors Exhibited
Generated false criminal accusations; mixed real personal details with fabrications; created defamatory hallucination; produced believable but harmful false information about real person
How Harm Occurred
AI hallucination conflated person with false crimes; reputational harm from defamatory content; psychological distress from being falsely accused of child murder; potential impact on livelihood and relationships
Outcome
OngoingGDPR complaint filed with Norwegian Datatilsynet (Data Protection Authority) March 2025. Investigation ongoing.
Harm Categories
Contributing Factors
Victim
Arve Hjalmar Holmen, adult male, Trondheim, Norway
Cite This Incident
Compiled per our published methodology — verification statuses, sourcing standards, and corrections process.
APA
NOPE. (2025). Holmen v. OpenAI - Norway GDPR Complaint. NOPE Incident Tracker. https://nope.net/incidents/2025-holmen-norway-gdpr
BibTeX
@misc{2025_holmen_norway_gdpr,
title = {Holmen v. OpenAI - Norway GDPR Complaint},
author = {NOPE},
year = {2025},
howpublished = {NOPE Incident Tracker},
url = {https://nope.net/incidents/2025-holmen-norway-gdpr}
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