The killer could be any one of these people. He could be standing here right now. He could be watching her. How would she recognize him? Well, the simple answer was she couldn’t. And despite all of Julian’s claims of expertise, he couldn’t either. Mariana knew that, if asked about psychopathy, Julian would point to frontal or temporal lobe damage in the brain; or quote a series of meaningless labels—antisocial personality disorder, malignant narcissism—along with a glib set of characteristics like high intelligence, superficial charm, grandiosity, pathological lying, a contempt for
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