walgreens should have been able to figure that out because they hired a laboratory consultant named kevin hunterto kick the tires and to try to check out these claims and to try to do some verification, and he even flew out and met with elizabeth holmes and sonny and other employees twice in 2010, and he started asking tough questions and he started suggesting they do things like 50 patient comparison study with stanford, and elizabeth and sonny didn't like this questions at all, and after a couple of months of this, they told his superiors at walgreens, we don't want this guy in meetings anymore. they were -- they either had these in-person meetings once a month or every week, this video conference calls, and they wanted him excluded from the meet examination from the video conference calls, and the unspoken threat was that if walgreens didn't exclude hunter from the meetings going forward, they would walk away, and walgreens was terrified that theranos would walk away and then go to cvs, it's archrival, based in rhode island, at walgreens, people had this tunnel vision which was we're in a bat