Suspect Used ChatGPT to Assess Drug Lethality Before Fatal Poisonings

# Suspect Used ChatGPT to Assess Drug Lethality Before Fatal Poisonings

https://gcdradar.vercel.app/incidents/suspect-used-chatgpt-to-assess-drug-lethality-before-fatal-p · AIR-2026-0413 · closed 2026-02-11

- Lane: Breaches & attacks
- Severity: 4 (Confirmed real-world loss)
- Fix status: No fix needed
- First reported: 2026-01-28
- AI role: AI-enabled attack
- Products: ChatGPT

## Summary

A suspect in Seoul allegedly used ChatGPT to check the lethality of drug and alcohol mixtures prior to fatal poisonings. Police used the chatbot queries as evidence of intent.

## What to do

No action recorded; read the sources below and the vendor's advisory.

## Latest updates

- 2026-01-28: South Korean Woman Allegedly Used ChatGPT to Assess Lethality of Drug-and-Alcohol Mixtures Before Two Fatal Motel Poisonings (https://incidentdatabase.ai/cite/1399)

## Sources

- 2026-01-28 AI Incident Database: South Korean Woman Allegedly Used ChatGPT to Assess Lethality of Drug-and-Alcohol Mixtures Before Two Fatal Motel Poisonings https://incidentdatabase.ai/cite/1399

Verify against the vendor's advisory before changing production. Data CC BY-SA 4.0, https://gcdradar.vercel.app.