Theranos was founded in 2003 by Stanford drop-out Elizabeth Holmes. It and its revolutionary blood tests eventually became a Silicon Valley darling, raising $700 million from investors that included Rupert Murdoch and the Walton family. It ultimately achieved a valuation of almost $10 billion on yearly revenues of $100 million. Elizabeth Holmes was hailed as Silicon Valley’s first self-made female billionaire.

In 2015, a series of articles by John Carreyrou published in the Wall Street Journal popped this bubble. Theranos was a fraud. Its blood tests didn’t work and were putting patient lives at risk. Its revenue was one thousand times smaller than reported. It had engaged in a long running campaign of intimidation against employees and whistleblowers. Its board had entirely failed to hold the executives to account – not surprising, since Elizabeth Holmes controlled over 99% of the voting power.

Bad Blood is the story of how this...

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