Talking With Psychopaths and Savages – A journey into the evil mind

Put simply, the question is, are these killer types born evil, or are they born with healthy minds that ‘become evil’ over time? It is the Nature versus Nurture topic of discussion, these days more generally called the ‘Nature and Nurture debate’, one that has been for decades at the forefront of criminologists’ minds and especially the minds of psychologists. My friends at the FBI, and many of the forensic psychologists of my acquaintance, have been struggling with this question for ages when trying to determine with some degree of accuracy when these ‘points’ are reached in any specific offender’s history in whom they have an interest.
Local law enforcement does not really care too much about such things as Nature versus Nurture: the body of a murder victim is found and their sole responsibility is to bring the offender before the courts. Job done, they move onto the next corpse

But for those who have a professional interest in what makes these killers tick it is tantamount to trying to get fingerprints from running water.