Season 6

The 1973 murder of a college-football star's on the eve of a championship game. The unsolved case is reopened when new evidence suggests he was killed earlier than previously assumed and the victim may have been involved with steroids.

The 1991 death of an inner-city schoolteacher is reinvestigated when new evidence indicates she may have been murdered instead of dying accidentally during a carjacking that got out of control.

The team receives new evidence in a 1964 case which was then though to have been a hit-and-run. Now, a threatening letter addressed to the victim prompts Will and Kat to travel to Mississippi to re-investigate the death of a woman who was secretly involved in giving school supplies for black children.

The 1978 death of a teen roller skater who was found in a ravine is reinvestigated when a new witness comes forward.

The team re-opens the 1951 case of a marine who went missing and never reported for duty after his shore leave.

When a body is discovered in the trunk of a car, the team re-opens the 1981 case of a missing single mother who used to work at a car dealership.

The team re-opens the case of a 12-year-old boy who died in 1969 when the retired detective who originally worked the case receives a new clue -- a toy rocket bearing the victim's name.

Lilly and the team look into a 1989 case involving a Russian opera singer. Vera has a strong recollection of the case being a rookie in the department at the time.

The team re-investigates the 1953 death of a murdered pin-up girl when an old photograph provides important new evidence.

When Dexter Collins, a young activist with a bright political future was found shot to death in 2005, it went down as a drug buy gone awry. Following a new tip regarding the location of the weapon, the police reopen the case and interview everyone from members of street gangs to his opponent for the city councilman seat.

The 1960 murder of a stewardess who was attempting to organize a union is investigated, and the probe uncovers several hostile suspects who strongly resented her.

The team re-investigates the 2007 murder of a mechanic who won $8 million in the lottery.

The team re-investigates the 1988 murder of a young TV reporter. Previously unseen news footage suggests she was on the verge of breaking a huge story about the unethical practices of a plastics company.

When human remains are found in a duck pond, the team reopens the 1967 murder of a brush salesman.

When the mother of a missing team storms into station. The case of a witness protection member is reopened when his body is identified by the missing teen.

The 1976 murder of a teen-aged girl is reopened when her father produces a photo of her and a vicious biker gang.

The team has to cope with their own emotions as they search for the shooter responsible for Jeffries' shooting.

The team suspect a 2004 arson that killed a psychiatrist may have been caused by her former patient.

The team re-investigates the 1958 case of a newlywed real estate developer when new evidence suggests his body might have been moved after he was killed.

The team re-opens the 1999 murder of a Cuban baseball star who fled to the U.S. after being fired from his team.

When the murder weapon from a 1963 case is unearthed, the team re-opens the murder of a pool hustler who was shot the same day President Kennedy was assassinated.

The team re-opens the case of the first ever female cadet in a local military school who was murdered in 2005.

The investigation into the female cadet's murder continues. As the team finds more and more clues, the killer tries to stop the investigation to remain hidden.