September 24, 2006 • 45m
Lilly investigates a 1995 shooting spree at a mall in which two teen boys killed 15 people before committing suicide. The case is ...Read more
October 1, 2006 • 43m
The team re-opens the 2004 case of a female veteran of the Iraqi War when her prosthetic arm is found in a river. Meanwhile, Scott...Read more
October 8, 2006 • 45m
When the remains of a sandhog miner who disappeared in 1947 are found in a subway service tunnel, the team is prompted to re-open ...Read more
October 15, 2006 • 45m
A 6-month-old girl's 1982 death, originally ruled to be a result of sudden-infant-death syndrome, is investigated when new evidenc...Read more
October 22, 2006 • 45m
Lilly re-opens a 2003 case in which an autistic boy's parents were shot in their car when Joseph brings her information that the b...Read more
October 29, 2006 • 45m
The apparent 1958 suicide of a popular rock-and-roll DJ is reinvestigated after a documentary filmmaker discovers a tape recording...Read more
November 5, 2006 • 44m
The 1979 murder of a schoolteacher who was stabbed to death in a wooded area is reopened when the victim's bloodstained jacket is ...Read more
November 12, 2006 • 42m
The 1975 disappearance of an 8-year-old girl who was never found is reinvestigated after a note written by the girl shortly before...Read more
November 19, 2006 • 45m
A homely 33-year-old woman is gunned down in an alley in 1989 and her unsolved murder is reinvestigated when a tape of the victim,...Read more
December 3, 2006 • 45m
The team re-investigates the 1968 death of a policeman who was shot in his patrol car. The case was then ruled as a drug bust gone...Read more
December 10, 2006 • 45m
Lilly and Valens travel to Nashville and Knoxville to investigate the 2000 murder of a country-music singer who was gunned down ou...Read more
January 7, 2007 • 44m
Lilly investigates the murder of a 17-year-old prep-school student who disappeared in early 2006 and whose body is found stuffed i...Read more
January 14, 2007 • 44m
Lilly investigates the 1996 murder of a wealthy divorced woman who was found dead in her ex-husband's indoor swimming pool. The or...Read more
January 28, 2007 • 45m
In 2002, two kids were shot in front of two different schools on the same day at precisely 8:03 a.m. It's the fifth anniversary of...Read more
February 18, 2007 • 45m
Lilly investigates the deaths of a married couple who perished in 1981 when a supposedly accidental gas-leak explosion set their h...Read more
March 4, 2007 • 45m
Lilly investigates the 1964 murder of a 17-year-old girl who was sent by her parents to a home for unwed mothers, where she gave b...Read more
March 11, 2007 • 45m
When a body is found in a dumpster, the team re-opens the 1984 case of a murdered teenage boy who wanted to become a dancer agains...Read more
March 18, 2007 • 45m
The 1999 murder of a homeless woman, whose body is found at the bottom of a river in a station wagon, is investigated.
March 25, 2007 • 44m
A father pushes a registered sex offender off of a building and threatens to kill a different sex offender each day until the cold...Read more
April 1, 2007 • 42m
The 1997 murder of a 16-year-old girl high-school cheerleader is investigated after an anonymous confession is discovered in a modern-art exhibit.
April 8, 2007 • 43m
The team re-investigates their oldest cold case yet, the 1919 murder of a young woman who was a passionate advocate for women's right to vote.
April 15, 2007 • 45m
The 2005 murder of a longshoreman who accidentally became involved in a human-trafficking ring run by the Russian mob.
April 29, 2007 • 45m
The 1998 death of a terminally ill man who died months before he was expected to is investigated after a nurse confesses to six so...Read more
May 6, 2007 • 45m
In the fourth season finale, a hostage situation arises when the entire team is held captive while they're investigating the 2006 ...Read more