( April 30, 2026, 1:05 PM EDT) -- SAN FRANCISCO — Samuel Altman and various OpenAI entities took no action even as employees warned them that a ChatGPT user posed a real-world threat. It was a prescient warning brought to life when just months later the user allegedly killed eight people as part of a school shooting in British Columbia, families claim in a series of seven complaints filed April 29 alleging negligence, strict product liability and violation of the California unfair competition law (UCL)....