Seasons & episodes
S4 · E12No Mercy 2012-12-02
The 2001 strangling death of a mother of triplets in Puyallup, Wash., is investigated.
S4 · E13Maritime Murder 2012-12-09
The 1982 poisoning death of a naval officer is investigated.
S5 · E1Deadly Forest 2013-03-31
The fifth season opens with a case involving a high-school girl who was murdered in 1985.
S5 · E2Christmas Mourning 2013-04-07
A Georgia woman is murdered just before Christmas.
S5 · E3Burning Fury 2013-04-14
A cold case involving a 1988 murder in Sunset Beach, Cal., is investigated.
S5 · E4Driven to Murder 2013-04-21
A 1992 case involving the shooting death of a Maryland businessman is investigated.
S5 · E5Phantom Predator 2013-04-28
A 1990s cold case involving a serial rapist in St. Louis is reopened.
S5 · E6Deathbed 2012-05-12
Examining a cold case involving a San Diego postal worker who was murdered in 1972.
S5 · E7The Deacon's Demise 2013-05-19
The 1992 murder of a church deacon is investigated.
S5 · E8Sin City Slaying 2013-05-26
Investigating the 1992 slaying of a Las Vegas woman.
S5 · E9Manufacturing Murder 2013-06-02
Investigating a 1997 quadruple murder in Bartow, Fla.
S5 · E10Little Boy Lost 2013-06-09
A mother's tireless pursuit for justice in her son's murder leads investigators to find a crucial clue.
S5 · E11When Evil Strikes 2013-06-16
A former Marine goes missing from his home.
S5 · E12The Last Resort 2013-06-23
A hotel manager is doused with acid in broad daylight.
S5 · E13Dangerous Fortune 2013-06-30
A fortuneteller and her daughter are brutally murdered in 2005; a paper trail leads investigators to the culprit.
S6 · E1Vanished in Reno 2014-01-12
The Season 6 opener features a serial-rapist case in Reno.
S6 · E2High School Homicide 2014-01-19
Investigating the 1989 murder of a high-school student.
S6 · E3Brute Force 2014-01-26 · 60 min
A Kentucky woman is found dead in the trunk of her car.
S6 · E4Murder in Room 348 2014-02-09
A business traveler is killed in his hotel room.
S6 · E5Wicked Impulse 2014-02-16
A 1997 murder in a California town is investigated.
S6 · E6Death of Innocence 2014-02-23 · 60 min
The murder of an 8-year-old boy sparks a decades-long investigation.
S6 · E7Hometown Homicide 2014-03-02
The 1980 murder of a California businessman's wife is detailed.
S6 · E8Stone Cold Killer 2014-03-09
A March 2000 murder in Anchorage is investigated.
S6 · E9Blood in the Water 2014-03-16
The 1980 murder of a Colorado teenager is investigated.