Nova: World's Most Elusive Serial Killer - Full Documentary 2016 <br />Step behind the scenes at the FBI's Investigative Support Unit, where psychological detectives race against time to penetrate the minds and emotions of the most elusive of murderers. Using state-of-the-art science, elite investigators tease a-part crime scene evidence and scrutinize victim profiles to construct an astonishingly accurate personality print of the perpetrator- and a good guess as to how and when he'll make his next move.
