I have always felt that psychopaths make good employees. Whilst they will never be team players, they are single minded, do not get detracted from their goals and are prepared to do work that others may find troubling or traumatizing. It must be remembered that the vast majority of people with psychopathic tendency are not dangerous. We have a lot to thank them for in terms of the contribution that that they make to the greater good of society, even if it somewhat indirect.
In discussing this with group in training and lectures, the subject of employment for people scoring high on psychopathic tendency comes up a lot. So here is an interesting link to the Big Think article that examines the most common jobs of people with psychopathic tendency and that of serial killers. To read the article click here.