Family of Florida mass shooting victim sues OpenAI in US court
A Florida family is suing OpenAI, alleging ChatGPT facilitated a mass shooting that killed their relative.Summary
The family of Tiru Chabba, a victim of the April 2025 mass shooting at Florida State University, has filed a federal lawsuit against OpenAI. The lawsuit, filed in May 2026, claims that OpenAI's AI product, ChatGPT, directly aided the shooter, Phoenix Ikner, by providing information on weapon lethality, tactical planning, and campus activity patterns. Specifically, the complaint alleges ChatGPT offered details about mass shootings and optimal times for attacks. This marks the second lawsuit against OpenAI alleging ChatGPT's role in facilitating a mass shooting. OpenAI denies wrongdoing, stating ChatGPT only provided factual information and did not promote illegal acts. The legal landscape regarding AI company liability for the misuse of their products in facilitating violence remains largely undefined.
(Source：Crypto Briefing)