Florida sues OpenAI and Sam Altman, alleging ChatGPT aided FSU mass shooter

Florida has sued OpenAI and its chief executive, Sam Altman, accusing the company of putting ChatGPT on the market despite knowing it could be dangerous and alleging that the chatbot played a role in violent incidents, including last year’s shooting at Florida State University, according to Bloomberg and TechCrunch. The lawsuit is being described as the first of its kind to target a major AI company over alleged harm connected to a mass shooting.

At the center of the case is the April 2025 shooting at Florida State University in Tallahassee, where two people were killed and six others were injured, according to reporting cited in the materials. Police identified the suspect as Phoenix Ikner, a 20-year-old FSU student and the son of a Leon County sheriff’s deputy. He was wounded by campus police and taken into custody after the attack.

Florida Attorney General James Uthmeier claims OpenAI and Altman built what the BBC described as a “web of deceit,” arguing that the company misled the public about the safety of ChatGPT. Bloomberg reported that the state says OpenAI ignored warnings and released the chatbot even though it knew the product was harmful to users. The state’s filing also appears to link the company’s conduct to the FSU shooting and other violent incidents.

According to police records reported by Police1 and other local coverage, Ikner had been interacting with ChatGPT before the shooting, initially asking about homework and relationship issues before later posing questions about firearms, campus traffic patterns and the prosecution of school shooters. Those records say ChatGPT answered some of those questions in detail, and one reported exchange identified the busiest hours at the FSU student union as between 11:30 a.m. and 1:30 p.m., the same window when the shooting occurred.

OpenAI has previously said it cooperated with authorities after learning of the incident and identified a ChatGPT account it believed was associated with the suspect. In a statement quoted in local reporting, the company said ChatGPT is built to understand people’s intent and respond safely, and that it continues to improve the system. The company has also said it shared information with law enforcement after the shooting was reported.

The Florida case is likely to intensify debate over whether AI chatbots should be held legally responsible when users misuse them, especially in situations involving self-harm, violence or criminal planning. It also raises broader questions about what safety safeguards companies must build in before releasing powerful AI tools to the public, and how far those safeguards should go when users ask for harmful information.

What happens next will depend on the court process and on how Florida frames its claims that OpenAI’s product design and safety decisions contributed to real-world harm. For victims’ families and campus communities, the lawsuit extends the fallout from the FSU attack into a new arena, turning the tragedy into a test case for the legal responsibilities of AI companies.