but tyler shultz says the edison he saw just didn't work. it a sophisticated piece of machinery? >> shultz: no. there were components that would kind of fall off in the middle of testing, that you would have to then fish out. they had doors that wouldn't close. they would get too hot, and then they would get too cold. >> doug matje: when i was there, we could not complete any test accurately on the devices that we were manufacturing. >> o'donnell: doug matje joined theranos in 2012, after getting his doctorate in biochemistry. his job was to adapt blood tests for the edison-- tests, which holmes told investors, were ready to use on patients. but elizabeth holmes had told walgreens in 2010 that it had developed this device that was capable of running any blood test from a few drops pricked from a finger, in real time, and less than half the cost of traditional labs. was that true? >> matje: no. certainly not. >> o'donnell: do you think she was lying to walgreens? >> matje: i do, yeah. >> o'donnell: are you a clinical lab specialist? >> erika

the book that john wrote about this and credit deserves to go to tyler schultz, the grandson of the former secretary of state george shultz who is on the board. his own grandfather did not believe him about what was happening. he was the first employee to blow the whistle to escape regulator about what he saw as troubling practices. again, criminal charges have been filed and i hope that this forces people in silicon valley again, the code of silence because we are worried about not getting a job somewhere else, the code of silence i hope it pushes people to act when they see something wrong and so hideous. maria: pretty incredible what went on because the truth is she was sort of a mystery the whole time. they would call her the steve jobs of healthcare the where she'd dressed and it was shrouded in mystery, but she really did good week this important people to get on her board in that culture get other support and funding because they said well, if henry kissinger is on the board must be something big. >> i can believe in today's world we allow company like that to exist and be able to jeopardize the lives of human bein