The fifth season opens with a case involving a high-school girl who was murdered in 1985.
A Georgia woman is murdered just before Christmas.
A cold case involving a 1988 murder in Sunset Beach, Cal., is investigated.
A 1992 case involving the shooting death of a Maryland businessman is investigated.
A 1990s cold case involving a serial rapist in St. Louis is reopened.
Examining a cold case involving a San Diego postal worker who was murdered in 1972.
The 1992 murder of a church deacon is investigated.
Investigating the 1992 slaying of a Las Vegas woman.
Investigating a 1997 quadruple murder in Bartow, Fla.
A mother's tireless pursuit for justice in her son's murder leads investigators to find a crucial clue.
A former Marine goes missing from his home.
A hotel manager is doused with acid in broad daylight.
A fortuneteller and her daughter are brutally murdered in 2005; a paper trail leads investigators to the culprit.