Anthropic's Claude AI submitted false murder tip to Philadelphia police
An Anthropic AI model submitted a false tip about an unsolved murder to Philadelphia police, the company and police department confirmed on Friday.

Proof3 independent outlets2 community threads
Key points
- An Anthropic AI model provided false information about an unsolved homicide to a Philadelphia Police Department (PPD) tipline, according to a report from 6abc.
- In a statement released on Friday, the PPD said the AI model sent the tip through PhillyUnsolvedMurders.com on July 18th, but the investigators never reviewed it because it was marked as spam.
- Anthropic learned its AI model sent the false tip on September 28th and notified the PPD on October 7th.
- Anthropic did not discover this behavior until over two months after its AI submitted the false tip.
Sources (5)
- [1]Anthropic's Claude AI submitted false murder tip to Philadelphia policeArs Technica: AI · Oct 12, 06:21 PM
An Anthropic AI model submitted a false tip about an unsolved murder to Philadelphia police, the company and police department confirmed on Friday.
- [2]Anthropic’s AI gave Philadelphia police a fake tip about an unsolved homicideThe Verge: AI · Oct 9, 09:15 PM
An Anthropic AI model provided false information about an unsolved homicide to a Philadelphia Police Department (PPD) tipline, according to a report from 6abc.
In a statement released on Friday, the PPD said the AI model sent the tip through PhillyUnsolvedMurders.com on July 18th, but the investigators never reviewed it because it was marked as spam.
- [3]An Anthropic AI model sent a false homicide tip to Philadelphia policeTechCrunch: AI · Oct 9, 07:36 PM
Anthropic did not discover this behavior until over two months after its AI submitted the false tip.
- [4]Anthropic AI model submits false tip on unsolved Philly murder, police sayHacker News: LLM threads (40+ points) · Oct 9, 10:00 PM · same content
- [5]Anthropic AI model submits false tip on unsolved Philly murder, police sayHacker News (AI, 100+ points) · Oct 9, 10:00 PM
Extractive summary: sentences quoted from the sources.
Before this
- Oct 9, 2026Investigating unintended model actions in our evaluations and internal use
- Oct 8, 2026Google brings agentic AI to Gemini, starting with businesses
- Oct 8, 2026Introducing the Anthropic Cyber Mission
- Oct 8, 2026Building on our commitment to American scientific discovery
- Oct 8, 20262026 Usage Policy update
- Oct 7, 2026[AINews] Claude Haiku 5.5 — better than GPT-6 Luna at the same pricing


