Hi guys, Welcome to the Advanced Video Search Engine, and you are watching Ex-Theranos CEO Elizabeth Holmes says 'I don't know' 600+ times in depo tapes: Nightline Part 2/2. That video is uploaded by ABC News at 2019-01-24T00:38:03-08:00. We are promoting this video only for entertainment and educational purpose only. So, I hope you like & enjoy it. [PvznWSEKoEE]