March 31, 2013
The fifth season opens with a case involving a high-school girl who was murdered in 1985.
April 7, 2013
A Georgia woman is murdered just before Christmas.
April 14, 2013
A cold case involving a 1988 murder in Sunset Beach, Cal., is investigated.
April 21, 2013
A 1992 case involving the shooting death of a Maryland businessman is investigated.
April 28, 2013
A 1990s cold case involving a serial rapist in St. Louis is reopened.
May 12, 2012
Examining a cold case involving a San Diego postal worker who was murdered in 1972.
May 19, 2013
The 1992 murder of a church deacon is investigated.
May 26, 2013
Investigating the 1992 slaying of a Las Vegas woman.
June 2, 2013
Investigating a 1997 quadruple murder in Bartow, Fla.
June 9, 2013
A mother's tireless pursuit for justice in her son's murder leads investigators to find a crucial clue.
June 16, 2013
A former Marine goes missing from his home.
June 23, 2013
A hotel manager is doused with acid in broad daylight.
June 30, 2013
A fortuneteller and her daughter are brutally murdered in 2005; a paper trail leads investigators to the culprit.