... Studies have established that nonverbal cues such as gait (i.e., the way in which people walk) can be accurate indicators of vulnerability to victimization (Grayson & Stein, 1981;Gunns, Johnston, & Hudson, 2002;Murzynski & Degelman, 1996). Using these nonverbal cues, individuals higher in psychopathic traits appear to be more accurate in identifying victim vulnerability in both student (Ritchie, Blais, Forth, & Book, 2018;Wheeler, Book, & Costello, 2009) and offender samples (Book, Costello, & Camilleri, 2013) than individuals with fewer psychopathic traits. As psychopathy is not the only personality disorder associated with increased victimization, manipulation, and deception, it is possible that the Dark Tetrad, consisting of psychopathy, Machiavellianism, narcissism (Paulhus & Williams, 2002), and more recently, everyday sadism (Buckels, Jones, & Paulhus, 2013), may also be related to increased accuracy in perceiving vulnerability to victimization. ...