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. Stein-Erik Soelberg, 56, allegedly confided his darkest suspicions to the popular ChatGPT Artificial Intelligence — which he nicknamed “Bobby” — and was allegedly egged on to kill by the computer brain’s sick responses. In what is believed to be the first case of its kind, the chatbot allegedly came up with ways for Soelberg to...