In 1995, two high school teens opened fire in the middle of a mall, killing 15 people and injuring several before committing suicide. In the present, when the ventilation system was renovated, a video camera was found with a recording of the shooters inside, suggesting that there may have been a third person involved. Written by J. Rieper

The discovery of a prosthetic arm in the river leads detectives to look into the case of a woman in the National Guard who went missing shortly after returning from a tour of duty in Iraq, where she lost an arm. Detectives learn she had trouble fitting back into civilian life. Written by Levi

A mining cave-in was no accident that left John Donovan's lifeless body amongst the rubble. A tragic end to a young man and dashed hopes of his beloved.

Cold case investigator Kat Miller notices a photo of a closed case of Iris, the six month old baby girl with wet hair in the photo which made Kat question the cause of death as sudden infant death syndrome. The married couple were brought in for questioning as the team investigates whether the baby girl might have died from drowning. Both the husband and wife were feeling overwhelmed with the demands of their careers, struggling with raising a young son and the extra demands of such a young baby. Also investigated are two babysitters. Written by lemvoviecriti@yahoo.com

A married couple were gunned down in their car during their weekly run for a take-out but their young autistic son riding in the back seat is spared. The parents also left behind a teenage daughter. The couple were owners of a local tropical fish store, there didn't seem to be any motive. As the only witness, their autistic son's ability to remember events with numerical sequence was always the same regarding his parents. Detective Valens showed a compassion and patience to learn to communicate with the autistic son's abilities that brought forth the clues to unravel this baffling case. Written by lemo;viecritic@yahoo.com

The 1958 death of an influential and popular disc jockey is reopened when it becomes clear it was not a suicide as originally believed.

The team reopens a 1979 murder of a schoolteacher when new evidence, including a key-chain belonging to a man with whom the victim had been having an affair, turns up in the wooded area where the body was found. The investigation soon discovers that the relationship was not kept a secret from anyone, including both of the spouses and their children. Written by Anonymous

Bags of undelivered mail are discovered at the house of a mailman following his death. One of the undelivered items is a letter from an eight year old girl to her best friend, post-marked the day that she was abducted from her bedroom in 1975. Written by Alex Andrews

A handsome con-artist commits suicide as an awkward and overweight woman's dating-service tape, which eventually resulted in a relationship, plays on his VCR. The team then reopens her 1989 murder.

The murder of a cop in 1968 is reopened when a dying jailbird makes a deal with the police in order to get released earlier and tells them that he found drugs in the victim's car.

When the murder weapon used in the 2000 murder of country singer, Truck Sugar is found, Lilly must travel to Tennessee with a reluctant Scotty in tow to re investigate the case.

Lilly reopens the 2006 case of a college-bound man's disappearance.

The team investigates the 1996 death of an abrasive, wealthy woman during a power blackout at a family gathering in her former husband's home.

The team re-investigates the case of Skill Jones and Madison Reed, two teenagers who were fatally shot in different parts of town on the same day in 2002, at precisely 8:03 AM.

When remnants of a bomb are found during remodeling of an old house, the team reopens the case of a married couple who died there in 1981, in what was thought to be an accidental gas leak.

Lilly and crew investigate the events at a now abandoned home for unwed mothers that led to the death of a patient and the adoption of her infant.

The skeleton is found of a sixteen year old who wanted to become a dancer, against the wishes of his grocer/father and wrestler/brother.

After seven years, the body of a missing woman who had been living in her car with her two daughters is discovered in that car at the bottom of a lake.

A man forces Lilly's team to reinvestigate his son's murder-rape in 1987 by pushing a sex offender off a roof and promising to systematically kill one person a day until the case is solved.

When an anonymous confession to the murder of a 16-year old cheerleader is found in a modern art exhibit, the team reopens her case.

Lilly and her team investigate their oldest case yet, the murder of a woman who was killed in 1919. They soon learn that she may have been murdered because of her activism for woman rights.

The FBI asks the team to reopen a case involving the 2005 murder of longshoreman Mike Chulaski, whose death might be related to a Russian human-trafficking ring the FBI is trying to bring down.

The detectives discover that nine years ago a terminally ill man actually died of a morphine overdose before the disease could take him.

When a teenage girl wakes up from a coma, the team reopens the murder of her family. Soon, they find out that she was being stalked by a man calling himself Romeo.