A cursory examination of links seems to support that the ability of sociopaths to pass lie detectors does indeed exist.
http://www.intropsych.com/ch12_abnormal/antisocial_personality.html
.....
Research suggests there may be a biological component to the sociopath's fearlessness. Sociopaths are remarkably tolerant of electric shock (Hare & Schalling, 197
. Under tense conditions they show heart rate acceleration but few other signs of stress—no sweaty palms, for example. They typically pass a lie detector test even if they are lying. Ability to pass a lie detector test is part of the FBI's profile for murderers who mutilate their victims, because this type of person is usually an antisocial personality.
Above site appears to be run by:
Department of Psychology at Georgia Southern University
class.georgiasouthern.edu/psychology/retired.php
Russel A. Dewey, PhD. University of Michigan Dr. Dewey's award-winning Psych Web. Department of Psychology, Georgia Southern Universiyt, 1979 - 2004 ...
http://class.georgiasouthern.edu/psychology/retired.php
Yeah, I know that is a logical fallacy - argument by appealing to credentials.

Finally, brethren, whatsoever things are true, whatsoever things are honest, whatsoever things are just, whatsoever things are pure, whatsoever things are lovely, whatsoever things are of good ...