Elizabeth Holmes claimed her start-up, Theranos, would revolutionizing blood testing, taking a pin-prick of blood and performing hundreds of laboratory tests. But as Norah O'Donnell reported in 2018, Theranos' machine never delivered on its promise, and Holmes is currently serving an 11-year pri...
Source: [CBS News](https://www.cbsnews.com/video/elizabeth-holmes-theranos-60-minutes-archive/)