HLN HD A flawed envelope is an unlikely clue to identifying a killer who laced a water cooler with cyanide and caused the death of a woman. 2026-10-27 A mussel diver and his fiancée are found dead in their burnt home; a tiny clue points to arson and murder. 2026-10-27 For ten years, the disappearance of a college co-ed remained a mystery; new scientific testing cast a different light on a man who had been a suspect all along. 2026-10-27 Tipster is found dead after revealing that a woman's death 16 years ago was murder. 2026-10-27 The murder of 53-year-old Paul Gruber is examined, and the evidence points to Darryl Robin Kuehl, who was later convicted of the crime. 2026-10-27 A man states that a robber shot and killed his wife while they were on the beach, but a song he downloaded makes investigators suspicious. 2026-10-27 Detectives discover new clues left by a stalker's letter to his victim. 2026-10-27 The body of an insurance assessor is found in a river in Tampa, Fla.; a unique murder weapon and blatant clues lead the police straight to her careless killer. 2026-10-27 When a high school athlete is killed in a hit-and-run accident, investigators hoped tiny paint chips and shards of plastic would lead them to the driver. 2026-10-27 A woman is abducted and a month later found dead, then a tip leads investigators in the right direction. 2026-10-27 How the bombs were made leads investigators in Colorado to find the perpetrator. 2026-10-27 DNA profiling reveals clues leading to a killer's identity 20 years later. 2026-10-27 A murder in Australia baffles police, until they find a device intended to save lives is the only witness to the man's death. 2026-10-27 When a man dies after falling down the stairs, a witness says one thing and the evidence says another. 2026-10-27 A wax bullet, white blanket and olive colored carpeting tell a lot about the murder of a young woman found in a ravine. 2026-10-27 When a house burns to the ground and a woman's charred remains are found, investigators must determine whether it was an accident or arson. 2026-10-27 An ammunition box and fluorescent fibers reveal the betrayal that led to the murder of a millionaire's family. 2026-10-27 The 1960 kidnapping and murder of brewery heir Adolph Coors III leads to one of the most intense manhunts in U.S. history. 2026-10-27 A used tissue, 12 years after the murder of a young Missouri woman, may be what cracks the case with a suspect list a mile long. 2026-10-27 When murder strikes a young girl, police quickly make an arrest, but cutting-edge technology from NASA proves they have the wrong suspect behind bars. 2026-10-27 The body of a young California co-ed under an isolated interstate ramp sets off an investigation; San Diego police have no idea who would want her dead, but they discover a tiny, unique fiber on the victim's clothing. 2026-10-27 Police become suspicious of a man who reported his wife missing 15 years after doing the same thing with his first wife. 2026-10-27 The anchors share the latest stories about significant events that take place across the world and interview prominent figures. 2026-10-27 The anchors share the latest stories about significant events that take place across the world and interview prominent figures. 2026-10-27 The anchors share the latest stories about significant events that take place across the world and interview prominent figures. 2026-10-27 Police suspect a gay college student's slaying is a hate crime until forensic evidence points the case in another direction. 2026-10-27 In a wealthy area of Philadelphia, police are called to the scene of what seems like a regular accidental drowning; the investigation begins to focus on one person who has many reasons to want the victim dead. 2026-10-27 Two women are murdered in the same town and police fear a serial killer is on the loose, further investigation finds that they were both close to the same man. 2026-10-27 A young woman is found dead on a golf course in the Bahamas; the grass on that course is so distinctive that it had evidentiary value; the evidence leads police to two suspects; each blamed the other, and they have to find out who the killer is. 2026-10-27 A teenager goes missing after an evening of horseback riding; her body is found a month later, three miles from her home; the killer unknowingly leaves a trace of evidence behind, tiny but unmistakable clues that pointed to him and him alone. 2026-10-27 When a popular disc jockey is found murdered in a community garden, police swing into action; a sniffer dog and a blood spatter expert led police to the killer, and he'd been much closer than they realized. 2026-10-27 Investigators unravel a twisted tale of lust, greed and deception after a woman claims her husband was gunned down by intruders. 2026-10-27 Three seemingly unrelated deaths proved to be serial murders; the killer had been careful, he used poison which had no taste or odour; fortunately for investigators, it also has a unique chemical signature. 2026-10-27 A man is murdered in his sleep but no fingerprints are anywhere to be found; a shoe impression outside could lead to the killer. 2026-10-27 With very little else to go on, investigators find that a show impression puts them on the right track to finding a killer in Lansing, Mich. 2026-10-27 The owner of a restaurant is killed; investigators uncover tales of debt and deceit, but the case remains open, until one detective gets inspired by an earlier episode of "Forensic Files," and looks for clues in an empty holster. 2026-10-27 A serial arsonist was on the loose in Washington, DC. Each of the fires was started with the same type of incendiary device. The perpetrator was very careful, and seemed to leave no evidence behind... but there were clues in the ashes, and it was up to forensic scientists to find them. 2026-10-27 A man is found strangled and burned in his San Antonio apartment and the killer thinks he has destroyed all the evidence. 2026-10-27 When two men appear to die of heart disease six years apart, police notice they have one thing in common, they were each married to the same woman. 2026-10-27 Casino security cameras offer the final images of a woman, just before she vanishes without a trace; can these grainy images lead police to her killer? 2026-10-27 A squashed tomato and a pinpoint reflection of light in a photo help catch a killer. 2026-10-27 An ATM transaction allows Texas detectives to pinpoint a suspect in the slaying of a teacher, but a shoelace stolen from the victim's home proves to be the tie that binds her killer to the crime. 2026-10-27 Ten years after the murder of a rock singer, forensic scientists use evidence collected to finally bring her killer to justice. 2026-10-27 After a Michigan State University grad student disappears and is presumed dead, a professor of geological sciences helps police get the dirt on her killer. 2026-10-27 When a man's wife kills herself 14 years after his college sweetheart commits suicide, police start to get suspicious. 2026-10-27 A woman gets shot in her driveway; she may have been the victim of a co-worker half her age that she had recently rejected. 2026-10-28 A pair of tennis shoes are found near a victim who had been stabbed on the beach, less than ten yards from her hotel. 2026-10-28 Three fingerprints on a window screen are enough for a print examiner to uncover the work of a serial killer. 2026-10-28 With a long list of suspects, forensic experts agree on one thing in this brutal murder: the killer knew his victim. 2026-10-28 The only lead to finding a serial killer on the loose is a bloody fingerprint on the body of a victim. 2026-10-28 Tests reveal the race, eye color and hair color of the person responsible for killing two young women on Halloween night. 2026-10-28 A convicted arsonist claims his innocence and with no lawyer, no money and only a fifth-grade education, sets out to prove it. 2026-10-28 A canine behaviorist uses the family dogs, who are the only witnesses, to find the murderer of their owner. 2026-10-28 Investigators see through a killer trying to cover his tracks by staging the crime scene to learn what really happened. 2026-10-28 A young girl beaten after watching her grandmother killed, identifies the wrong person; years later she tries to change her statement. 2026-10-28