K Blair, “Neuroimaging of Psychopathy and Antisocial Behavior: A Targeted Review,” Curr Psychiatry Rep 12 (2010): 76; K. Kiehl, The Psychopath Whisperer: The Nature of Those Without Conscience (Woodland Hills, CA: Crown Books, 2014); M. Koenigs et al., “Investigating the Neural Correlates of Psychopathy: A Critical Review,” Mol Psychiatry 16 (2011): 792.