(errol morris) it's the noir idea.e don't know what's going on, but we do know something bad is out there controlling events. for me the great noir films are films about fall guys. a person who finds himself caught in a net. the more he struggles, the deeper and deeper he becomes entwined in nightmare. (man's thoughts) did you ever want to forget anything? did you ever want to cut away a piece of your memory? (paul arthur) "detour" is the first wave of noir production. it lays out a blueprint for how the noir narrative works. there's a character who has a secure job at the beginning. has a secure relationship with a woman. the woman leaves to go to hollywood. and this man goes to join her. (man's thoughts) if only i had known what i was getting into. (paul arthur) this starts a journey where he, in an almost myth-like fashion, is picked up by a kind of messenger. but this man dies under mysterious circumstances. the hero takes on the identity of a dead man, the most desperate thing you can do in film noir. (man's thoug

to the masses, launching this striking video campaign directed by oscar-winning documentarian errol morris take a test for us, which is one drop of blood. >> one drop? >> bring it on. >> that's it? >> how are you feeling? >> feeling good. >> they exude confidence. they exude this reality that this thing is real. it gives elizabeth holmes just one more card to say, "look, what i'm doing is going to change the world." >> i'm a fan. >> likewise. >> our work is in the belief that access to health information is a basic human right. >> reporter: elizabeth took her mission to the mainstage, charming the audience at the clinton global initiative. >> you founded this company twelve years ago, right? >> yeah. >> tell them how old you were. >> i was 19. >> don't worry about the future. we're in good hands. >> reporter: in june 2014, she was vaulted to stardom after she was profiled in "fortune" magazine. the article stated that theranos offers more than 200 blood tests without the need for a syringe. but precisely how theranos accomplishes all these amazing feats is a trade secret. >> and that's whe