A never-before-seen two-hour Elizabeth Holmes interview shot during the during the height of her success as the founder of Theranos could be released.

Oscar-winning documentarian Errol Morris ( The Thin Blue Line ) says he’s sitting on a couple of hours of footage with Holmes that he’d like to put out.

“What’s really not known about any of this is, yes, I did all the advertising for Theranos,” Morris told Variety . “But I did it at a time when Elizabeth Holmes was on the front cover of Forbes and many other magazines. She was riding high, and this was before everything collapsed. Did I have any reason to believe that she was a fraud? I did not. Did that change as time went on? It did.”

Continued Morris: “I asked her, at a certain point, if I could film an interview with her — and this is at the height of her success. I did film a two-hour interview with her, which is not very well-known — if it is known at all.…