Overview: The Season 6 opener features a serial-rapist case in Reno.
Overview: Investigating the 1989 murder of a high-school student.
Overview: A Kentucky woman is found dead in the trunk of her car.
Overview: A business traveler is killed in his hotel room.
Overview: A 1997 murder in a California town is investigated.
Overview: The murder of an 8-year-old boy sparks a decades-long investigation.
Overview: The 1980 murder of a California businessman's wife is detailed.
Overview: A March 2000 murder in Anchorage is investigated.
Overview: The 1980 murder of a Colorado teenager is investigated.
Overview: The murder of a Wyoming teenager is investigated.
Overview: The murder of a Southern Illinois University student is investigated.
Overview: Investigating a daytime robbery at a nightclub in Arlington, Texas, that resulted in an employee's death.
Overview: An elderly couple are murdered in their Oregon home.