When a rebellious teenager disappears, a search turns up clues that lead investigators on a hunt for a killer, and forensic evidence will reveal the truth.
While vacationing in Florida, a mother and her two daughters disappear and are later found dead in Tampa Bay, leaving no evidence behind until five years later.
When four teenagers are murdered in an otherwise peaceful suburban town, their killings go unsolved for three years until a composite sketch sparks new leads.
After a young college student's death is ruled a homicide, police immediately suspect the victim's boyfriend, but DNA points them in a different direction.
When detectives investigate a middle-aged man's murder, they determine that robbery may not have been the motive after discovering a mysterious greeting card.
A son finds his father dead in their home and calls 911, but when ballistics clear the only suspect, police have to rely on DNA evidence to find the killer.
A young girl is found dead in her backyard, and her parents blame their dogs, but cops and a jury think otherwise that the lacerations are actually stab wounds.
Police are unable to solve the spiteful murder of a woman until a new technology is developed that allows for the retrieval of fingerprints from fabric.
A serial killer, who targets prostitutes, mocks police by leaving his victims's bodies out in the open with no evidence but tire impressions and threads.
Great Plains police investigate a murder and discover a plot involving drifters, cattle auctions, and hot checks, with an elderly couple behind it all.
A wealth of incriminating evidence is challenged by a well-funded defense in the court trial for a group of fundamentalists who robbed a series of banks.
When a person is missing and the police discover threatening emails, an abandoned truck and other evidence, they are sure that a murder has taken place.
Detectives must confirm the accidental death of a victim was caused by a fall down stairs, but further analysis reveals the person may have been murdered.
A woman's husband is suspected of killing her in a church parking lot after discovering she had been having a three-year long affair just a month before.
A man is questioned about the death of his wife after her body is found in his parents' house with signs of a home invasion, but there is conflicting evidence.
The discovery of a dismembered body on the side of the New Jersey turnpike marks the start of a hunt for a serial killer targeting Manhattan's gay community.
After a woman is killed and her unfaithful fiance becomes the prime suspect, a man comes forward claiming to own the murder weapon and know who used it as well.
When a rebellious teenager disappears, a search turns up clues that lead investigators on a hunt for a killer, and forensic evidence will reveal the truth.
While vacationing in Florida, a mother and her two daughters disappear and are later found dead in Tampa Bay, leaving no evidence behind until five years later.
When four teenagers are murdered in an otherwise peaceful suburban town, their killings go unsolved for three years until a composite sketch sparks new leads.
After a young college student's death is ruled a homicide, police immediately suspect the victim's boyfriend, but DNA points them in a different direction.
An elderly woman is brutally murdered inside her home during a robbery gone wrong, and the only clue is the fact that she had scheduled a chimney cleaning.
Three men wearing masks attack a wealthy couple outside their home, leaving the husband dead and forcing the wife to give them the code to their hidden safe.
Police are hesitant to believe the story of a 12-year-old girl who claims she was kidnapped and sexually assaulted due to her apparent lack of emotion.
A homicide investigation is impeded by a badly burned crime scene, but forensic scientists are still able to find enough clues to apprehend a trio of killers.
Investigators delve once more into the 1994 kidnap-killing of Shannon Melendi, a Emory University coed; she was never seen alive again after a softball game.
Law enforcement officials turn to forensic scientists to solve a murder case involving a man whose testimony fails to match up with the current evidence.