Lilly investigates the 2003 case of an autistic boy who witnessed his parents' murder.
When the 1958 suicide of a celebrated Philadelphia disc jockey is discovered to have been a murder, Rush and the team must find the truth of this public persona's private life.
After discovering new evidence, detective Jeffries re-opens a 1979 murder case in which he promised the victim's daughter that he would find her mother's killer.
The death of a postal carrier leads to the discovery of several bags of undelivered mail, one of which contains key evidence in a 1975 missing-persons case.
The team delves into a modern-day lonely-hearts club when a handsome man commits suicide after watching a tape of an unattractive woman whose 1989 murder remains unsolved.
After Rush is given clues to an unsolved cop killing, she reopens the case; her investigation uncovers a secret that may have motivated someone unexpected to murder the patrolman.
The reopening of the case of a male singer's 2000 murder requires Lilly and reluctant Scotty to travel to Knoxville, Tenn., to delve into the country music world.
Lilly reopens the 2006 case of a college-bound man's disappearance after his sister finds an Internet video of him in the underground subculture of bare-knuckle brawling.
When new evidence suggests murder, Lilly and Scotty reopen the 1998 case of a wealthy family matriarch (Donna Mills), whose death was originally ruled an accident.
Miller re-examines a case that has haunted her for years as she searches for the link between two murders that happened at the exact same time.
The team reopens the 1981 case of a yuppie couple's murder; while investigating, Lily discovers that the couple's friends had ties to a '70s radical activist group.
In order to solve a murder, the team enters the world of unwed mothers during the 1950s and '60s and the maternity homes where they were hidden.
When a missing teenager's body turns up in a trash bin, the team discovers the secret that got him killed.
A homeless family living in a station wagon becomes the team's focus as it investigates the murder of a woman whose body was found at the bottom of a river.
The detectives must solve the 20-year-old case of a 6-year-old boy's rape and murder.