Authors ID people who are almost, but not quite, clinical psychopaths. June 19, 2012— -- Chances are you might know someone who is almost a psychopath. The coworker who throws you under the bus.

The idea that one percent of the human population are psychopaths is both intriguing and unsettling. If true, it means that for every 100 people you pass on the street, one of them might have a ...

Add Yahoo as a preferred source to see more of our stories on Google. When dealing with a psychopath, it can be unnerving to realize just how calculated they can be in choosing their targets. While it ...