Expert Voices

Justified Evil: How Wrongdoers Excuse Amoral Acts

evil eye
(Image credit: Vasilchenko Nikita | Shutterstock)

Scott Hawkins is an author and computer programmer, and recently published his first novel, "The Library at Mount Char" (Crown, 2015). He lives in Atlanta with his wife and a large pack of foster dogs. Hawkins contributed this article to Live Science's Expert Voices: Op-Ed & Insights.

There are, of course, people without conscience in the world. The American Psychiatric Association, in its DSM-IV-TR, estimated that 3 percent of males and 1 percent of females in the general population are psychopaths. Tellingly, those individuals make up an estimated 25 percent of the prison population. That type of personality is fascinating in its own way, but past a certain point, all you can really say about such minds is that they are indeed alien to most people.

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