There were other Holmes idiosyncrasies, too. She spoke of a fascination with blood, telling Fortune that she was able to analyse two blood samples side-by-side and tell whether someone had just eaten a healthy lunch or if someone had eaten a burger.

She had no life outside of Theranos, abstaining from dating, catching up with friends or going on vacation. She went vegan, surviving on green juices (cucumber, parsley, kale, spinach, romaine lettuce and celery, according to Vanity Fair) so that she could stay awake for longer. Profiles frequently referred to her as the next Steve Jobs or Bill Gates.

But there were the strange details, too. People often commented that Holmes doesn’t blink that often, something that made her “mesmerising,” as journalist John Carreyrou put it. She would speak in a deep voice, which she dropped below her usual register. “I think she felt that she needed to have a man’s voice to be taken seriously,” Carreyrou said. She hired the same advertising agency that Jobs used with Apple, and even met with them on the same day that he had met with them. (Wednesdays.)

In the early days of Theranos the business functioned as most tech companies do: in total secrecy. Holmes was raising money like it was going out of fashion – Theranos had $92 million in venture capital in the coffers by 2011 – but her company didn’t have so much as a press release or a website at the time.

Why the world is obsessed with the unbelievable true story of Elizabeth Holmes