Nonverbal cues to all kinds of unconscious giveaways tend to occur in clusters – a group of movements, postures and actions that collectively point to a particular state of mind. This is crucially true of dishonesty, where one specific cluster of nonverbal signals has been proven statistically to be a highly accurate indicator of deception. These are: hand touching, face touching, crossed arms, and leaning away. According to research conducted at Northeastern University, if you see these “Telltale Four” being displayed together, watch out!