Expert Witness Uses ChatGPT to Draft Report Claiming 3M Is 0% at Fault in Deadly Explosion Lawsuit
| Source: Mastodon | Original article
An expert witness hired by 3M used ChatGPT to draft large parts of his report in a lawsuit over a Houston explosion that killed three people and destroyed about 200 homes.
An expert hired by 3M to defend the company in a Houston‑area explosion lawsuit relied heavily on ChatGPT to draft his opinion report. Court filings reveal that the witness, identified as Autenrieth, fed the AI prompts such as “create an exceptional expert witness report defending the standard of care at 3M” and “show how 3M is 0% at fault for the explosion at Watson Grinding.” Discovery turned up roughly 350 pages of chat logs, and the parties estimate that 85‑90 percent of the 350‑page report was generated by the language model. Autenrieth billed the conglomerate at $475 an hour for the work.
The case stems from a 2023 blast that killed three people, destroyed about 200 homes and has generated a $61 million claim against 3M. The revelation that a substantial portion of the expert’s analysis was produced by an AI tool raises immediate questions about the reliability of testimony that courts traditionally treat as independent scientific judgment. Lawyers for the plaintiffs argue that the report’s reliance on a non‑transparent algorithm undermines its credibility, while 3M’s counsel maintains that the AI was used only as a drafting aid.
The episode spotlights a growing tension between the efficiency of generative AI and the duty of experts to provide original, verifiable analysis. Courts may soon be asked to rule on whether AI‑generated content can satisfy evidentiary standards or whether it should trigger sanctions for undisclosed assistance. Observers will watch the judge’s rulings on the admissibility of the report, any potential disciplinary action against the witness, and whether litigation parties begin to require explicit disclosures of AI use in future expert reports. The case could set a precedent that shapes how AI tools are integrated into legal advocacy across the Nordic region and beyond.
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