Chris Voss

as employing what had become one of the FBI’s most potent negotiating tools: the open-ended question.

we call this tactic calibrated questions: queries that the other side can respond to but that have no fixed answers. It buys you time. It gives your counterpart the illusion of control—they are the one with the answers and power after all—and it does all that without giving them any idea of how constrained they are by i

Mnookin, predictably, started fumbling because the frame of the conversation had shifted from how I’d respond to the threat of my son’s murder to how the professor would deal with the logistical issues involved in getting the money. How he would solve my problems. To every threat and demand he made, I continued to ask how I was supposed to pay him and how was I supposed to know that my son was alive.