Psychopaths leave a trail of confusion and division behind them wherever they go, a by-product of their deceptions. They often face no consequences for their actions.

Psychology’s pursuit of tools to detect deception remains one of its most challenging enterprises. The basic obstacle facing this field is perhaps the obvious fact that liars, well, lie. How can you ...

Forbes contributors publish independent expert analyses and insights. Kwame is world-renowned negotiation expert, CEO, lawyer, and professor Dan Oblinger is an expert in the field of negotiation. As a ...