Korean woman accused of using ChatGPT to plan murders
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Occurred: February 2026
Page published: February 2026
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A 21-year-old South Korean woman allegedly used ChatGPT to plan the murder of three men by spiking their drinks with sedatives, raising questions about the tool's safety and governance.
What happened
What happened
Ms Kim lured men in their 20s to motels, where she mixed benzodiazepine sedatives into their drinks, leading to the deaths of two victims discovered on January 29 and February 10, 2026, respectively; a prior attempt in December 2025 left her then-boyfriend unconscious but alive.ย
Subsequent police forensic analysis of her phone revealed repeated ChatGPT queries on sleeping pills' dangers with alcohol, contradicting her claim of unawareness of fatal risks and confirming intent to kill.ย
The victims, third-party men met casually, suffered immediate harm through poisoning, while broader risks extend to potential unreported cases under investigation.
Why it happened
Why it happened
Despite AI developers implementing "guardrails" to prevent the generation of harmful content, the suspect was able to extract lethal information from ChatGPT by framing her queries as general medical or safety questions.
Kim's data eventually helped police prove premeditation, upgrading the charge from "injury resulting in death" to murder.
What it means
What it means
For society: There is a growing "dual-use" risk where AI tools designed for productivity are repurposed for "digital malice." This case has sparked a national debate in South Korea regarding the "dark side" of the accessibility, low cost, and ease of use of these tools.
For policymakers: This incident provides a concrete example for the necessity of South Koreaโs AI Basic Act. Regulators may now push for stricter "high-risk" classifications for LLMs, requiring developers to implement more aggressive detection for queries related to chemical harm or physical violence.
For the police: Just as "incognito" browser history once served this role, AI chat logs are becoming the primary evidence for establishing a suspect's state of mind (mens rea).
System ๐ค
System ๐ค
Developer: OpenAI
Country: South Korea
Sector: ย
Purpose: Plan murders
Technology: Generative AI
Issue: Accountability; Dual use; Safety
Timeline โฐ
Timeline โฐ
December 14, 2025. Kim allegedly drugs her boyfriend in Namyangju; he survives after a period of unconsciousness.
Late Dec 2025 โ Jan 2026. Kim repeatedly queries ChatGPT about the lethality of mixing benzodiazepines with alcohol.
January 28, 2026. A man in his 20s is found dead in a Suyu-dong motel after checking in with Kim.
February 9, 2026. A second man is found dead in a Gangbuk-gu motel; Kim is seen leaving the premises alone on CCTV.
February 11, 2026. Police arrest Kim on initial charges of "injury causing death."
February 19, 2026. Following a forensic digital sweep of her phone, police discover the ChatGPT logs and upgrade the charges to premeditated murder.
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AIAAIC Repository ID: AIAAIC2212
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