Under investigationA regulator, court or police has opened a formal inquiry and reached no finding yet.
ChatGPT Used to Plan Double Murder in Foinikounta, Greece
Two people were killed in Foinikounta, Greece on October 5, 2025. During the investigation, authorities reportedly found that a 33-year-old man had used ChatGPT to search for information about committing murder with a revolver and concealing fingerprints, raising questions about the AI system's content moderation safeguards.
5 October 2025 · OpenAI · Security and cyberattacks
A 33-year-old man reportedly used ChatGPT to search for information about committing murder with a revolver and concealing fingerprints, according to Greek media reporting on the investigation.
Two 22-year-old men are alleged to have been involved in the deaths of a 68-year-old camping owner and a 62-year-old camping supervisor in Foinikounta on October 5, 2025, with their roles under investigation by the Kalamata court.
Reported impact
Two people were killed in the incident at a campsite in Foinikounta.
Index analysis
The case raised questions about whether ChatGPT's content moderation prevented harmful search queries related to planning violence.
Physical death, Public interest, Human or fundamental rights, Physical injury
Harmed
General public
Failure modes
Content moderation failure
Consequences
Police investigation, Litigation
AI systems
ChatGPT
Sources and evidence
This record was researched and written by the Index, based on the following original reporting.
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