Lilly delves into the 1995 mall shooting, a horrific event where two teenage boys murdered fifteen people before taking their own lives. The case is resurrected with the discovery of a video that appears to indicate a third shooter was pres…

The team revisits the 2004 disappearance of a female veteran of the Iraq War after her prosthetic arm is discovered in a river. Separately, Scotty travels to see his older brother, a visit stirred by a case that unearths long-buried recolle…

The discovery of skeletal remains in a subway tunnel, belonging to a miner who vanished in 1947, stirred a renewed interest in a cold case. A suspicion began to form among the investigators: the man may have been murdered for his involvemen…

The 1982 death of a six-month-old girl, initially attributed to sudden infant death syndrome, is now subject to renewed scrutiny. Emerging evidence suggests the possibility of drowning. Meanwhile, Lilly discovers that Ray is hospitalized fo…

Lilly reopened the dormant case from 2003, the one concerning the parents of an autistic boy who had been fatally shot in their vehicle. The renewed investigation stemmed from information Joseph had obtained suggesting the boy might have wi…

The widely accepted account of a popular rock-and-roll DJ’s suicide in 1958 is challenged when a documentary filmmaker unearths a tape recording made around the time of his death – a death by gunshot at his radio station. Meanwhile, Valens …

The 1979 murder of a schoolteacher, who was found stabbed to death in a wooded area, is thrust back into the light. A bloodstained jacket belonging to the victim is discovered concealed within a tree trunk, a cheerful key chain bearing a sm…

The unsolved disappearance of an eight-year-old girl in 1975 is reopened following the discovery of a note she wrote just before she vanished. Her friendship with another child had stirred unease among many residents of the largely white c…

In 1989, a woman of unassuming appearance, thirty-three years old, is fatally shot in an alley. Years later, her unsolved murder reemerges into the light when a cassette tape belonging to the victim is discovered in the apartment of a man w…

The team is revisiting the 1968 death of a police officer, fatally shot while on patrol. Officially, the incident had been classified as a botched drug operation, but emerging evidence suggests a more complex personal dynamic: the officer m…

Lilly and Valens journey to Nashville and Knoxville, compelled to examine the 2000 murder of a country music singer. He had been shot outside a Philadelphia bar, a venue where he and his band had performed just days prior. The cold case is …

Lilly is drawn into the investigation of a seventeen-year-old from an elite preparatory school, a student who vanished in the winter of 2006. The discovery of his body, concealed within an oil drum near a derelict warehouse in a city distri…

Lilly delves into the 1996 death of a wealthy, divorced woman discovered deceased in the indoor swimming pool of her former husband. The initial investigation had concluded the death was accidental, but emerging evidence now points to a del…

On that day in 2002, at precisely 8:03 a.m., two children were shot outside separate schools. Now, marking the fifth anniversary of the tragedy, Kat Miller is advocating for the reopening of the investigations, convinced that the cases are …

Lilly delves into the deaths of a married couple who died in a house fire in 1981, an event initially ruled an accidental gas leak. The case is revisited when remnants of a bomb are unearthed during renovations to the property. Meanwhile, b…

Lilly delves into the 1964 murder of a seventeen-year-old girl, sent by her parents to a home for unwed mothers where she gave birth to a child. The following day, the teenager was found dead. The case is resurrected when the victim’s daugh…

The discovery of a body in a refuse container stirred old shadows. The team reopened the case of a teenage boy, murdered in 1984, a young man whose passion for dance had been a source of conflict with his father.

The investigation centers on the 1999 death of a woman experiencing homelessness, discovered at the riverbed within the confines of a station wagon.

Consumed by grief and rage, a father acted on a desperate, terrible conviction. He pushed a registered sex offender from a height, and made a chilling vow: to kill another offender each day until the cold-case unit solved his son’s 1987 rap…

The unsolved 1997 murder of a sixteen-year-old high school cheerleader is reopened when an anonymous confession surfaces within a contemporary art exhibition.

The team has reopened their most enduring cold case: the 1919 murder of a young woman, a fervent champion of women's suffrage.

In 2005, the life of a dockworker was tragically cut short. He had inadvertently become entangled with a human trafficking operation controlled by the Russian mafia, a connection that ultimately led to his murder.

The unexpected death in 1998 of a patient with a terminal illness, who passed away months earlier than anticipated, triggers an investigation following a nurse's confession to carrying out six acts of mercy killing.

The season's conclusion finds the team caught in a desperate ordeal. While pursuing the cold case of a family murdered upon their arrival at a new home in 2006, they become themselves prisoners, the perpetrators turning the tables with a ca…