F2: Forensic Factor - Season 5 (2008)

A reign of terror that spans more than eighteen years. A serial rapist who stalks and preys on elderly women living in isolated Southern Ontario. With the victim count pushing ten, the attacker's thirst for violence suddenly escalates to murder. Who is this monster that continues to elude Colchester police? Only a revolution in forensic science can strike fear into the heart of this predator.

A self-appointed angel of death on a mission beyond the law. A sniper who targets abortion doctors and then disappears into the shadowy underground that supports and protects him. But when the sniper's mission moves to murder, a city is thrown into blind panic that spreads across the country and beyond.

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.