He says psychopaths don't feel fear, yes true to an extent, but only because they have mastered the art of repression to perfection. But if someone like me crosses their path and triggers their fears of exposure, that's when their true colors come out and will gather all their forces at their command to destroy the person they fear, like we witnessed with the sociopaths at the community where I worked for nine and half years -- that they tried every trick up their sleeve to destroy me. And don't care who else they destroy to get to their target, everyone else they destroy to get to their targets is collateral damage in their eyes.
Keeping their illusions alive and good image at any cost, nothing else matters to them. And yes there's such a thing as pure evil. I have stared it in the face many times!
To read more about my experiences with the mob of sociopaths or narcissists at my last job read my blog Experienced Knowledge