Many psychopaths describe the traditional treatment programmes as finishing schools where they hone their skills. Where they find out that there are lots of techniques they had not thought about before.

Language and words for psychopaths are only word deep; there is no emotional colouring behind it. A psychopath can use a word like, ‘I love you’ but it means nothing more to him than if he said, ‘I’ll have a cup of coffee.

A psychopath can tell what you're thinking but what they don't do is feel what you feel. These are people without a conscience.

For most of us even the imagined threat of criticism functions to control our behavior. We are haunted to some degree by questions about our self-worth. As a consequence, we continually attempt to prove to ourselves and others that we are okay people, credible, trustworthy, and competent.

Psychopaths are social predators, and like all predators, they are looking for feeding grounds. Wherever you get power, prestige and money, you will find them.

Many psychopaths describe the traditional treatment programmes as finishing schools where they hone their skills. Where they find out that there are lots of techniques they had not thought about before.

Not all psychopaths are in prison - some are in the boardroom.