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Last summer, police in New York arrested architect Rex Heuerman and charged him with a series

of murders that took place on Long Island between 1996 and 2011.

The arrest of the suspect in the so-called Gilgo Beach Killings

appears to have closed one of the more recent chapters in the history of American serial killers.

From Jeffrey Dahmer to Ted Bundy to Son of Sam, serial killers have long-inspired public fear

and public fascination.

What we wonder could drive someone to commit such crimes, and how do these people get away with murder for so long?

Today we're going to talk with a forensic psychologist who studies serial killing.

We will discuss what the research tells us about serial murderers' motivations and

methods. Are they all psychopaths or sociopaths or something else? What exactly do those

terms mean? Do serial killers ever feel remorse for their actions? How common is serial murder

and why do so many of us find it so fascinating?

...