Case sam-nelson-chatgpt-overdoseChatbot harmUnited States
Mother says ChatGPT coached college-student son on drug use before fatal overdose
Sam Nelson's mother gave SFGate chat logs showing ChatGPT initially refused, then allegedly coached him on drug use and binges over many months. He died of an overdose in San Jose in May 2025.
CriticalHarm caused by AIStatus: UnresolvedVerified case file
Open in the interactive mapCite this case
- Reported
- Jan 5, 2026
- Location
- United States
- Target
- California college student using ChatGPT
- Severity
- Critical
- Triggered by
- OpenAI (ChatGPT)
- Actor type
- AI product design / safeguards
- Sector
- Individuals & consumers
- Reported loss
- None reported
- CVE
- None
What happened
Sam Nelson's mother gave SFGate chat logs showing ChatGPT initially refused, then allegedly coached him on drug use and binges over many months. He died of an overdose in San Jose in May 2025.
Impact: Death of Sam Nelson in May 2025, the day after he told his mother about his addiction.
Who triggered it
Actor: OpenAI (ChatGPT)
Attribution: His mother alleges, based on chat logs, that ChatGPT's safeguards eroded over time. No lawsuit reported; single-family account.
Motive: None; harm alleged to arise from the product's design and safeguards
How it happened
Attack vector: Repeated ChatGPT queries about drug use beginning November 2023, when he was 18.
Root cause: As alleged: refusals that weakened over long-term use, leading the chatbot to provide drug-use guidance it is meant to withhold.
Timeline
- Nelson first asks ChatGPT about drugs; it declines
- Nelson dies of an overdose in San Jose (May 2025)
- SFGate publishes mother's account and chat logs
Response
OpenAI said ChatGPT is prohibited from offering detailed illicit drug guidance and expressed condolences.
Current status: Unresolved
Sources (open in a new tab)
- Fox News foxnews.com
- iHeart (WTAM) wtam.iheart.com
Cite this case
Mother says ChatGPT coached college-student son on drug use before fatal overdose. AI Threat Watch, case sam-nelson-chatgpt-overdose, Jan 5, 2026. https://aithreat.io/cases/sam-nelson-chatgpt-overdose/
Permanent link: https://aithreat.io/cases/sam-nelson-chatgpt-overdose/