rupert murdock. reporter: plus oracle s larry ellison, former education secretary betsy devos family, and board member general colin powell, all led to believe holmes company, theranos, had developed revolutionary technology for blood testing as she told norah o donnell in 2015. o donnell: what about those who say that s not enough blood to do all the tests that need to be done especially if somebody is very sick and you re trying to figure out what it is. every time you create something new, there should be questions, ask to me that s a sign that you ve actually done something that is transformative. reporter: as former theranos employee tyler schulz told cbs morning s today. elizabeth holmes is a very charismatic person. reporter: he contacted state regulators about problems inside therkangering his grandfather, former secretary of state, george schulz, of theranos director. she was found guilty. i feel like i won. i m indivated. reporter: this landmark