Florida's attorney general is launching a criminal investigation into the alleged role of ChatGPT in a mass shooting at Florida State University last year.

The AI chatbot also told the man accused of killing two people in 2025 what ammunition to use, the state attorney general said, announcing a criminal probe.

Florida’s attorney general on Tuesday opened an investigation into OpenAI’s ChatGPT over whether there was criminal behavior involving interactions between the artificial intelligence app and a gunman who killed two people and wounded six others last year at Florida State University.

OpenAI is facing a criminal investigation in the US over whether its ChatGPT technology played a part in the murder of two people during a mass shooting at Florida State University last year. Florida's Attorney General James Uthmeier said on Tuesday his office had been looking into the use of the artificial intelligence (AI) chatbot by a man who allegedly shot several people at the campus in Tallahassee.

Florida Attorney General James Uthmeier announced Tuesday that state prosecutors have launched a criminal investigation into the artificial intelligence giant OpenAI, alleging its ChatGPT chatbot helped a gunman plan a shooting at Florida State University that left two people dead last year.

Florida has launched a criminal investigation into OpenAI and its chatbot ChatGPT following a deadly shooting at Florida State University in 2025.

State Attorney General James Uthmeier said Florida’s OpenAI probe is expanding because a “criminal investigation is necessary” after state prosecutors determined ChatGPT “offered significant advice” to the FSU shooter.

Florida launches a criminal investigation into OpenAI, examining whether ChatGPT played a role in the Florida State University shooting and potential AI liability.