" Elizabeth and Sunny had always been security conscious, but their level of paranoia had reached a new peak with the launch in Walgreens stores. They had convinced themselves that Quest and LabCorp viewed Theranos as a mortal threat to their cozy oligopoly and that they would try to quash their new competitor by any means available. There was also the matter of the promise John Fuisz had made in his deposition to “fuck with” Elizabeth until she died. She took that threat very seriously. Following his retirement from the military earlier that year, James Mattis had joined the Theranos board "

― John Carreyrou , Bad Blood: Secrets and Lies in a Silicon Valley Startup