I read this years ago---when my father was identified as a malignant narcissist/sociopath and a nephew was diagnosed as a sociopath. (I've always, always been really interested in personality disorders---turns out I have them all around me.)
My nephew isn't quite the guy next door---he is pretty obviously a sociopath; he's been noticeably different his whole life, but it became really evident at puberty.
My father is one of the quieter ones, but no one ever would have called him normal, if they knew him. He didn't fool employers and though I was an adult before I realized how disordered he is, I knew he was "off." The really malignant nature showed up when my mother needed a guardian, despite his own incipient dementia (on top of the PD); he was easily able to convince a guardian ad litem and judge that she was safe with him. (He went on to refuse her appropriate medical/rehab care, refused to modify their house to meet her disability needs, and withheld her medication. He then failed to call 911 when she had the fully-expected stroke as a result---he called me 36 hours later and asked me to stop by. When I said, "Dad, she's having a stroke!" he said, "Yes, I thought so." She survived several more months, and I was able to place her in inpatient hospice to remain safe from him-----but only because her doctors went waaaaaaaaay out on a limb and illegally allowed me to act as her health care proxy; together we cooked up a story that placated my father. He'd wanted her dead, anyway; not around was next-best---though it didn't get her money to him and sociopath nephew quite quickly enough. Though less than a mile from their house, he visited her only once during the months she was hospitalized----to try to get her to sign legal documents she was incompetent to sign. Apparently, he managed to find a sociopath lawyer, one who'd managed, in one of the most corrupt states where attorney sanction is RARE, to be sanctioned for exploiting the elderly. (He's now exploiting my father---and no, we have not been successful in stopping this OR stopping sociopath felon nephew, who's 35, does not work, and convinces now-demented sociopath father to fully support him and his wife. But that exploitation is kind of karmic.) Incidentally, my sisters and I placed numerous calls to the police about the danger to our mother. The only result (in this affluent community where we did not live) was for the cops to call my father to say, "Your crazy daughters are calling again. Things all right?"
I re-read the book after d-day, when my husband was diagnosed with a mixed personality disorder with strong antisocial traits. Five years ago, I would have told you he couldn't possibly have been more different than my father. But after d-day, his icy and sometimes downright cruel treatment of me made it pretty darn clear. There had been many red flags along the way---but he is generally affable and likeable, which makes it a lot harder to say, "This guy is a freaking sociopath." But he doesn't connect with people except in brief, brief flickers. And in retrospect, he never has. By the time he handed me the report of his PD testing results, I already knew what I was going to see.
To the poster who made the distinction, calling it antisocial personality disorder, there is a school of thought that distinguishes between antisocial personality disorder (sociopathy) and psychopathy. They were once believed to be the same thing, and now it is believed they may share traits, but are on different ends of a spectrum. The sociopath may have some limited capacity for fleeting connection/empathy, while the psychopath does not--and therefore is NOT likely to be "The Sociopath Next Door." (I will be interested to see whether/how the next DSM treats this distinction; personality disorders are, from what I understand, being overhauled in the next version.)
By this definition, my nephew is a psychopath. My father, I believe, shifted from sociopath, with age and practice, to psychopathy, given his late-life treatment of my mother.
And my husband is the nice Sociopath Next Door, with a few other kinks. (It's really common to have traits of more than one PD.) He is most comfortable with really superficial, non-intimate relationships, he possesses strong sociopathic traits as well---they come out when people get too close and threaten to see him for who he really is. But he IS the nice guy next door who people think is "the nicest guy!" Employers challenge this definition; he's never kept a job more than a handful of years. But he had me fooled for over 30 years. He convinced me the red flags waving all around were pretty decorations.)
There are many very successful narcissists and sociopaths; think of many CEOs, politicians, military generals, and so on. They do vital jobs in which a lack of connection to other humans really can be a benefit on some important level. (And no--I really am NOT saying these disorders are present in most successful people in these roles---just that you can find really amazing people with really amazing accomplishments with these disorders.)
My inlaws add to the sociopaths/narcissists surrounding me, and I've had a narcissist boss---which was VERY hard to deal with.
If you have someone personality-disordered in your life, outofthefog.net is an interesting site; it's for people with personality-disordered loved ones, and provides a lot of info, as well as has message boards with seasoned members who can help people who are just learning to deal with a diagnosis or want to make changes in how they interact with the PD person in their lives.
[This message edited by solus sto at 7:13 AM, January 23rd (Monday)]