https://www.siliconvalley.com/2021/09/29/elizabeth-holmes-trial-new-windows-into-holmes-life-vegan-diet-and-very-secret-relationship/

Theranos founder Elizabeth Holmes tried to keep secret both her food preferences and her intimate relationship with company president Sunny Balwani, according to an interview with her personal assistant detailed in an FBI report filed in court in connection with Holmes’ criminal fraud trial.

The document is an FBI report of an interview conducted with Paige Williams, who worked as Holmes’ personal assistant  from June 2015 to July 2018.