The world’s top criminal investigators, forensic scientists and behavioral analysts go behind the scenes of some of their most challenging serial murder cases to reveal the cutting edge forensic science, technology, behavioral psychology and investigative techniques involved in tracking down a serial killer. The detection and apprehension of the gainesville ripper, who brutally attacked and murdered five college students in florida, provides the core narrative against which the unique forensic and investigative details of four other cases are compared and contrasted.