https://arstechnica.com/tech-policy/2021/09/elizabeth-holmes-was-in-charge-of-theranos-mattis-tells-court/ > James Mattis, the retired general and former defense secretary, took the stand yesterday in the criminal trial of Elizabeth Holmes, detailing how his faith in the company plummeted when a Wall Street Journal expose revealed that Theranos had been performing tests on third-party equipment. > “There just came a point where I didn’t know what to believe about Theranos anymore,” he said.