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