Robert D. Hare

Measurement and categorization are, of course, fundamental to any scientific endeavor, but the implications of being able to identify psychopaths are as much practical as academic. To put it simply, if we can't spot them, we are doomed to be their victims, both as individuals and as a society.

All the reading in the world cannot immunize you from the devastating effects of psychopaths. Everyone, including the experts, can be taken in, conned, and left bewildered by them. A good psychopath can play a concerto on anyone's heart strings.

Every time you log in to Facebook, every time you click on your News Feed, every time you Like a photo, every time you send anything via Messenger, you add another data point to the galaxy they already have regarding you and your behavior.

Stacey Napp understands the ugly side of divorce - which is often the side that involves money. In fact, she understands it so well that in 2008 she started a business, Balance Point Divorce Funding, which invests in divorce and probate litigation, helping clients cover costs in exchange for a share of the winnings.