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Dec. 15, 2025

Estate sues OpenAI, Microsoft over alleged ChatGPT role in killing

Plaintiffs allege ChatGPT reinforced dangerous delusions that led to a killing, testing the limits of AI product liability law.

Estate sues OpenAI, Microsoft over alleged ChatGPT role in killing
Jay Edelson of Edelson PC

OpenAI and Microsoft face a wrongful-death lawsuit alleging their ChatGPT system exacerbated a Connecticut man's paranoid delusions for months before he killed his 83-year-old mother--raising novel product-liability questions about whether AI developers can be held responsible for violence committed by third parties.

The estate of Suzanne Adams claims design decisions in OpenAI's GPT-4o allowed, and in some cases amplified, dangerous false beliefs that culminated in her 20...

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