WorkAugust 17, 2026via 404 Media
‘Show How 3M Is 0% at Fault:’ Expert Witness Used ChatGPT to Write Report Defending Company in Deadly Explosion Lawsuit
Why it matters
This is a landmark moment in how AI is reshaping professional accountability and trust. A court-facing report generated by LLM prompts, not human expertise, exposes both the tool's seductive convenience and the profession's need for guardrails. It's the kind of story that moves regulation and hiring decisions.
Key signals
- Expert witness report in $61M lawsuit generated using ChatGPT prompts
- Lawsuit involves explosion that killed three people
- 3M defendant; report claimed company 0% at fault
- ChatGPT prompts documented as evidence of report creation method
- Raises questions about expert testimony standards and AI-generated professional work
The hook
An expert witness used ChatGPT to write a report defending 3M in a $61M lawsuit over a deadly explosion—raising hard questions about AI's role in the legal system.
ChatGPT prompts show how an expert witness report was created in a $61 million lawsuit over an explosion that killed three people.