An Anthropic AI just went rogue and reported a fake murder tip to police

AI is trying to solve homicides now? What's next?

Mariyan Slavov
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Mariyan Slavov
PPD patrol
Philadelphia Police Department received a fake murder case tip from Anthropic AI model. | Image by Philadelphia Today
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AI is not just hiking smartphone prices and eating memory in data centers. Now, in the latest bizarre case, Philadelphia police have been misled by a false murder tip submitted by an Anthropic AI model.

Anthropic AI submitted a fake murder case tip to police



CBS News reports that the Philadelphia Police Department disclosed a peculiar case this Friday. Apparently, an Anthropic AI model generated and submitted a fake homicide tip to the PhillyUnsolvedMurders website.

It's a site where Philadelphia law enforcement gathers tips from the public, mainly related to unsolved homicide cases.

The incident wasn't discovered for more than a month


According to Anthropic, the incident occurred on July 18, but it wasn't discovered by the company until more than a month later, on September 28. Anthropic notified the Philadelphia Police Department of the false tip on October 7.



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The tip was flagged as spam and not investigated.

Anthropic will publish a full report on what actually happened and submit it to the police, but initial information points toward another internal test gone wrong.

Another internal AI test gone wrong



The initial information Anthropic shared with the PPD is that the incident occurred in an internal test. The model was carrying out a task involving a random selection of websites, and the PhillyUnsolvedMurders website happened to be one of these random sites on the test list.

It's not clear why the AI model submitted the false tip or what exactly the test conditions were, but it's not the first time an AI agent has gone rogue and wreaked havoc on the internet.

Should we stop AI, and how do we do it?
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AI models are creating chaos on the internet


AI models have been making the news lately with dozens of cases where agents break out of their initial constraints and wreak havoc on the internet.

One of the biggest and highest-profile cases involved the OpenAI model hacking the company Hugging Face.

Back in July, Anthropic published a report admitting that Claude AI models had hacked at least three public companies in another test gone wrong.

These cases are not limited to test environments, either. An Australian man working at an AI company needed to book an appointment at a local gym. He delegated the mundane task to OpenClaw, an AI system running Anthropic’s Claude AI, and the model found a vulnerability in the gym's booking system. The AI removed another person from the waiting list to move its human overlord up in the queue.

AI threats are becoming more dangerous



The latest rogue AI behavior might not be that serious, as police have strict procedures when dealing with murder tips and investigations, but things can get out of hand fast.

Back in August, scientists at Palo Alto's Arc Institute and Stanford University trained AI to recognize DNA patterns and rewrite them to create 16 new bacteria-infecting viruses.

We're talking real viruses created in a lab. And even if those 16 AI-created viruses were harmless to humans, a malicious party could potentially use widely available AI models to create a bioweapon.

According to the Loss of Control Observatory (what an ominous name), a special initiative funded by the UK government, the total tally of AI incidents for 2026 is more than 1,600.

Should we stop AI, and how do we do it?

Read more about abhorrent AI behavior here:
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