TV Guide HLN Sunday

The parents of a 16-year-old girl admit to killing their daughter out of self-defense in their own home, but an unlikely piece of evidence proves otherwise.

A successful manufacturing company is suddenly hit with a massive computer crash, jeopardizing the future of the company and its hundreds of employees.

In a motorcade escorting the Queen of England, a car driven by a sheriff's deputy strikes one carrying three Secret Service agents, killing them instantly.

A 1993 derailment on a bridge in Alabama claims the lives of 47 passengers and crew and injures scores more, making it Amtrak's deadliest train crash.

An underground station in London becomes a deadly inferno as a small fire on an escalator turns into a deadly flashover that throws out a jet of flames.

Police find a woman's dead body using clues in a discarded sleeping bag, and a mark on the victim's body helps crack the case.

A woman is killed while walking her dogs in the woods, and the alleged hunting accident shows signs of being planned.

A woman's butchered body's found, and the medical examiner preserves her rib cage bearing mortal wound and containing the identifying microscopic marks.

A woman vanishes, foul play seems evident, but no leads develop; twenty years pass before volunteer forensic scientist from "NecroSearch" help out.

The 1991 slaying of a Michigan TV news anchor is investigated, leading the police to rule out a potential stalker and focus on her husband as a suspect.

Investigators initially believed a house fire that killed a woman was unintentionally caused by a cigarette but a closer look by scientists uncovers more.

A trio of successful bank robbers manages to elude authorities for seven years until forensic examination of their clothes and posture reveals new clues.

A seemingly healthy young woman suddenly becomes severely ill with no discernable explanation, and medical tests reveal the cause to be arsenic poisoning.

Residents of Noel, Missouri were stunned to learn that their bank had been robbed and the bank president was missing. His body was found floating in a lake.

Featuring stories and the latest news and information from across the world.

Featuring stories and the latest news and information from across the world.

Congressional correspondent Manu Raju and a panel of analysts discuss the week's biggest political happenings and interview key officials.

A wife is puzzled by the mysterious disappearance of her security guard husband, and her personal investigation turns up some surprising secrets.

Law officials and forensic scientists attempt to ascertain the connection between three female college students who were murdered in a similar fashion.

Law enforcement officials exploring the murder of a respected businessman are unable to ascertain whether or not the crime was a robbery gone wrong.

Law enforcement officials turn to forensic hypnosis in order to obtain the information needed to create a composite sketch of the suspect.

A teenager returns home to find his father's lifeless body; detectives suspect that the motive was robbery, but further investigation is required.

A medical examiner is unable to discern the cause of death when a politician dies during a particularly contentious reelection campaign.

A female naval officer is found murdered after threatening to expose the cycle of sexual harassment, assault and corruption within the military hierarchy.

Forensic scientists are able to use DNA evidence to reveal that the killer is a woman, but a series of disappointing leads causes the case to go cold.

Police initially suspect suicide when a woman's body is found under a bridge, but further investigation reveals that she was carried and thrown over the side.

Police investigators struggle to find a sample of the killer's blood among the excessive gore of a particularly violent crime scene.

Forensic scientists are able to prove the innocence of a husband who made the call to 911 while heading to the hospital after his wife was shot.

Police are initially reluctant to believe the story of a woman who claims that a man invaded her home wearing only his underwear and a pair of gloves.

A Delaware man who is suspected of killing his mother tries to convince detectives that an unidentified hitchhiker to whom he gave a ride committed the murder.

After eyewitnesses report the crime, law enforcement officials begin working fervently to locate a mother and child who were kidnapped during a carjacking.

Security camera footage reveals the last known whereabouts of a missing woman, but the evidence she left behind points them in the right direction.

Police detectives attempt to solve a murder case with a significant lack of quality evidence, including a squashed tomato and a photograph.

A missing teacher's bankcard's used, but not by her, and Texas homicide investigators hope that a shoe lace taken from the victim's home may lead to her killer.

DNA evidence produced a decade after the slaying of Mia Zapata, the lead singer for Seattle punk band the Gits, allowed to police to solve the 1993 murder.

Forensic scientists are assisted by a geology professor in their attempts to analyze dirt evidence related to a fellow university instructor who went missing.

A look at the case of Georgia dentist Barton Corbin recalls how he confessed to killing his wife and girlfriend and making their deaths look like suicides.

Police suspect that a younger co-worker's unrequited love led to a motive for the murder of a woman who was gunned down in her own driveway.

Forensic specialists investigating the case of a woman who was murdered on the beach uncover key evidence in the form of a pair of men's athletic shoes.

A 13-year old girl's missing from her CO home, and the only clue to the kidnapper's identity is three prints on a screen; two years later, a breakthrough.

Police detectives are confounded by a murder with several suspects and a mountain of conflicting evidence, but forensic evidence offers them one clue to go on.

Texas criminologist, forensic experts, and investigators combine their resources to solve the 2001 murders of Cammy Lynn Keleman and Dana Denise Feazell.

In 2004 police discover the bodies of Leslie Mazzara and Adriane Insogna of Napa, CA dead in their home, and it appeared they had died in their sleep.

A suspect who was convicted of arson and murder vehemently maintains his innocence after being sentenced to a 25-year prison term.

Police seek the assistance of a canine behavior expert when the only witnesses to the brutal murder of a woman in her home are the family dogs.

After a wife claims her husband's death was a hunting accident, authorities use psychological analysis and ballistics tests to investigate the incident.

A teenage girl was missing for nine months before her body was found, but investigators still manage to procure a surprising amount of evidence from the corpse.

Forensic evidence sheds new light on the supposedly accidental death of a woman who fell to her death from a cliff overlooking the Pacific Ocean.

In her attempts to investigate the mysterious disappearance of her mother, a woman discovers a dark family secret in the pages of her mother's journal.

A forensic scientist makes history using an innovative tactic to recover previously overlooked evidence in a 10-year-old double homicide case.

A jury votes that a man was murdered in cold blood during a street fight, and the man's sentenced to 20 years in prison; six years later new evidence surfaces.

A 19 year old is found dead in her car in what appears to be suicide. Was the scene staged? Police discover a love quadrangle and people with motives.

A man disappears after having an affair with his neighbor's wife, and fifteen years later, a metal detector reveals evidence of foul play.

Police are baffled when they find the body of woman next to California freeway but the discovery of a unique gold thread on the victim leads them to the killer.

A woman's husband reports her missing, but police are skeptical after learning the same thing happened to his first wife fifteen years ago.

Mud and other trace evidence helped convict John Bruce Dodson's new wife of staging his death as a supposed hunting accident.

California is terrorized by a number of arson fires at the hands of an unknown assailant and it is not until a lone fingerprint leads them to a suspect.