Poornima Rao, the mother of OpenAI whistleblower Suchir Balaji, who was found dead at his US apartment last year, said her son "hated" OpenAI CEO Sam Altman. "My son called him a manipulator, a liar and an unethical person," Rao said. Suchir's death was officially ruled a suicide, but Rao claims it was a murder.