According to a study carried out by British researchers back in the 1990s, the number of psychopaths in any given population is one percent. In the case of Britain that means that there are roughly 600 thousand psychopaths in that country alone. The problem is that such people tend to struggle hard for influence and power over other people, in order to be able to intimidate, bully and/or harass those who happen to find themselves in positions and situations in which they depend on those psychopaths, either as their subordinates, employees or family members. read on...