‘You can’t make this stuff up’: why we remain fascinated by Elizabeth Holmes

The entrepreneur turned fraudster is the subject of an Oscar-tipped new documentary that takes an unusual look at her strange legacy

David Agus's first encounter with Elizabeth Holmes at a health conference came as a shock. The Holmes he met in the green room was personable and pleasant. The Holmes he interviewed on stage was altogether different.

The accent changed: this deep voice, very serious," Agus, a medical oncologist, recalls by phone from Los Angeles. It was as if I had met a person and then interviewed a separate person. That transition from the green room to the stage - I had never experienced something like that before."