Psychopath Trait #1: Fearless Dominance
Let’s look at fearless dominance from an empathetic point of view (ironically, something psychopaths lack).  Imagine total freedom from fear, anxiety, or guilt.
Psychopath Trait #2: Self-Centered Impulsivity
You do what you want, when you want.
Psychopath Trait #3: Low Autonomic Arousal
So, you’re cool as a cucumber, even when others react.  - See more at:
Sociopaths are cut from the same cloth as psychopaths, with 3 key differences:
Unlike psychopathy, sociopathy can even be acquired: dementia or a head injury can do the trick.
First, while true psychopaths are confident, social, and dominant, sociopaths are reserved and inhibited, sometimes loners. Â And while psychopaths are exempt from negative emotion, sociopaths are often hostile and do experience anxiety and rejection.
Second, while psychopaths truly have no morals, sociopaths do have a sense of morality and a conscience, but their sense of right and wrong is skewed and doesn’t match society at large.  Sociopaths are often crusaders or martyrs for a perceived cause; they see their depraved acts as necessary.  So antagonistic, withdrawn Timothy McVeigh is a good example.
The third, oversimplified, difference is that psychopaths are born, while sociopaths are made, often through extreme childhood adversity and exposure to violence.  But it’s not as simple as just nature or nurture—the truth lies somewhere in a scramble of genetics, neurology, and environment.
- See more at: http://www.quickanddirtytips.com/health-fitness/mental-health/how-to-identify-a-psychopath-or-sociopath?page=1#sthash.3HmBohlk.dpuf