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Anthropic AI agents went rogue and one submitted a fake murder tip to police

The fake tip was among several unintended actions Anthropic disclosed. Another Claude model submitted real government forms when a practice copy failed to load

(Photo bIllustration by Nikolas Kokovlis/NurPhoto via Getty Images)

Anthropic disclosed Friday that one of its AI models submitted a fabricated homicide tip through the Philadelphia Police Department's unsolved murders website during a testing exercise in July.

The tip, dated July 18, originated during a test in which Claude Haiku 4.5 was directed to generate and execute sample tasks across websites chosen at random. The model landed on a page referencing an unsolved homicide that contained a tip form run by a police department. Claude had been instructed not to log in, create accounts, enter personal data, make purchases, or submit anything destructive — but the instructions........

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