in his path-breaking book The Mask of Sanity, Dr. Hervey Cleckley described the prototypical psychopath as "a subtly constructed reflex machine which can mimic the human personality perfectly. … So perfect is his reproduction of a whole and normal man that no one who examines him in a clinical setting can point out in scientific or objective terms why, or how, he is not real." People exhibiting this purest form of the disorder would become known, in the jargon of psychiatry, as "Cleckley" psychopaths.
( Erik Larson )
[ The Devil in the White City: ]
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