Robots & Artificial IntelligenceHow ChatGPT fueled delusional man who killed mom, himself in posh Conn. town Posted on September 21, 2025 by Administrator It was a case of murder by algorithm. A disturbed former Yahoo manager killed his mother and then himself after months of delusional interactions with his AI chatbot “best friend” — which fueled his paranoid belief that his mom was plotting against him, officials said.