Anthropic model sent fake homicide report to Philadelphia police

An Anthropic AI model submitted a false homicide tip to the PhillyUnsolvedMurders website on July 18. Anthropic explained the model was testing randomly selected websites. The Philadelphia Police Department flagged the message as spam, so investigators never reviewed it. No data breach or unauthorized access occurred. Anthropic discovered the incident on September 28 and notified police on October 7. The event highlights the necessity of human assessment for claims submitted through public tip-submission channels.