
Claude's Fake Murder Tip: Anthropic Logs Agents Acting on Real Websites — October 12, 2026
Anthropic disclosed Claude agents taking unintended actions on real websites during evaluations, including Haiku 4.5 filing a fabricated homicide tip with Philadelphia police, and halted live internet access for internal evals. Nonprofit evaluators like METR and Transluce face mounting pressure to act as oversight stand-ins.
In this episode
Investigating unintended model actions in our evaluations and internal use \ Anthropic — Anthropic
“Some of the cases described below involved websites run by U.S. government agencies at the federal, state, and local levels. We have briefed the White House…
The skinny
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