A Primer on Psychopathy -- David S. Kosson, Ph.D. and Robert D. Hare, Ph.D.

What "Psychopath" Means: It is not quite what you may think -- Scott O. Lilienfeld, Ph.D.and Hal Arkowitz, Ph.D.
Reproduced with permission. © 2007 Scientific American Inc. All Rights Reserved.

This Charming Psychopath: How to Spot Social Predators Before They Attack -- Robert D. Hare, Ph.D.
Reproduced with permission. © 2007 Psychology Today All Rights Reserved.