( NewsNation ) — A decade after she helped expose Theranos, whistleblower Erika Cheung says she still doesn’t know whether Elizabeth Holmes has learned her lesson.

“I don’t think that she can really be trusted,” Cheung told NewsNation’s Chris Cuomo . “She plays a lot of revisionist history.”

Cheung, a former Theranos employee , says Holmes has yet to show she is willing to “take ownership or accountability for the things that she’s done.”

Cheung says she has heard Holmes’ partner is starting an AI diagnostic firm in Texas. She calls it “really concerning.”

“Are Texans going to face the same issues that Arizonans did and Californians did?” she asked.

What is Billy Evans’ startup, and how is it tied to Elizabeth Holmes?

Billy Evans, Holmes’ partner and the father of her two kids, is CEO of Haemanthus, an Austin diagnostic startup. NPR reported in May 2025, citing sources, that Holmes was advising Evans from prison .…