"They kept him around to keep him quiet"

VF:

In a searing investigation into the once lauded biotech start-up Theranos, Nick Bilton discovers that its precocious founder defied medical experts—even her own chief scientist—about the veracity of its now discredited blood-testing technology. She built a corporation based on secrecy in the hope that she could still pull it off. Then, it all fell apart.

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One of Holmes’s first major hires ... was Ian Gibbons, an accomplished British scientist who had a slew of degrees from Cambridge University and had spent 30 years working on diagnostic and therapeutic products.... In 2005, Holmes named him chief scientist.

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on May 16, 2013, Gibbons was sitting in the family room with Rochelle, the afternoon light draping the couple, when the telephone rang. He answered. It was one of Holmes’s assistants. When Gibbons hung up, he was beside himself. “Elizabeth wants to meet with me tomorrow in her office,” he told his wife in a quivering voice. “Do you think she’s going to fire me?” Rochelle Gibbons, who had spent a lot of time with Holmes, knew that she wanted control. “Yes,” she said to her husband, reluctantly. She told him she thought he was going to be fired. Later that evening, gripped and overwhelmed with worry, Ian Gibbons tried to commit suicide. He was rushed to the hospital. A week later, with his wife by his side, Ian Gibbons died.