HLN HD New York police hunt the Zodiac killer after a series of deadly attacks. 2026-07-19 When a healthy young man dies mysteriously in his sleep, toxicology tests reveal that it may have been foul play. Could a "suicide note" hold the key to solving the case? 2026-07-19 A child's memory, a diary and a forensic psychologist help investigators solve a young woman's murder. 2026-07-19 Investigators weigh several theories while probing the death of a retired police officer, including a botched robbery and suicide. 2026-07-19 The bodies of two young women are found in the ashes of an apartment fire. 2026-07-19 Two different men report the murder of a single mother and when the case's other anomalies stall the police, a candy wrapper and seeds help expose the killer. 2026-07-19 After a Connecticut man's body is found in a burning rental car on a Mexican highway, an insurance company suspects a scam. 2026-07-19 When a pipe bomb rips through a rural home, killing a young man and seriously injuring his mother, detectives hope that the remnants of a mailing label will lead them to a killer. 2026-07-19 A quiet residential community, shattered by the murder of a neighbor. See how modern techniques helped investigators catch the culprit in less than 12 hours. 2026-07-19 A man is found dead in his Michigan auto-salvage shop. 2026-07-19 A man is murdered in a drive-by shooting. When a mobile phone trace incriminates a killer, it's up to a forensic geologist to find evidence that he was at the scene. 2026-07-19 When a teenage girl is found dead, her boyfriend confesses to her murder. However, in a strange twist, so does another man; police must determine which is the killer. 2026-07-19 A high school gym teacher gives his friend a ride home but never returns; his wife and friend receive letters saying he started a new life, but they suspect foul play despite no body being discovered. 2026-07-19 A 16-year-old girl is killed in her own home by her mother and father. Her parents said they acted in self-defense, but the forensic evidence indicates otherwise. 2026-07-19 Investigators determine if a computer crash which almost ruined a manufacturing company was accidental or deliberate sabotage. 2026-07-19 Car with three Secret Service agents collides with local deputy's car; investigation launched into who was responsible for the deadly car accident finds two very different conclusions. 2026-07-19 The derailment of the Sunset Limited was the deadliest train crash in U.S. history killing 47 passengers and crew with several more injured. 2026-07-19 Arson investigators attempt to determine the cause of the 1987 fire at the Kings Cross Underground Station in London. 2026-07-19 A discarded sleeping bag, containing bloody sneakers and a purse, leads police to the body of a young woman; a mark found on the victim's body enables police to track the killer. 2026-07-19 A woman's apparent accidental death begins to look fishy after police uncover a letter written by the victim days before her untimely death. 2026-07-19 Stories from across the world and refreshing conversations with Audie Cornish. 2026-07-19 Stories from across the world and refreshing conversations with Audie Cornish. 2026-07-19 Melanie Zanona; Catherine Lucey; Isaac Arnsdorf. 2026-07-19 Investigators determine what caused a house fire that killed an elderly couple and whether the victims' son is responsible. 2026-07-19 Detectives are suspicious after a woman is killed in a hunting accident, but it takes more than twenty years before a trace evidence analyst is able to match fibers on a soiled blanket to the killer. 2026-07-19 When hunters find a skull in a Texas canyon, police find bits of clothing, a woman's shoe, some small bones and a strand of hair; once they discover her identity, it was time to find the killer. 2026-07-19 A wife is missing in Key West; investigators wonder if they should be searching for a missing person or a killer. 2026-07-19 Suicide notes and a pistol in hand lead police to suspect that a mother of two young children appeared to have killed herself, but when investigators learned of a house fire she was in three years earlier, they reinvestigated. 2026-07-19 The violent death of an Air Force officer's wife outside a Philippines air base is examined, amid accusations of a love triangle involving the murdered woman's husband; investigators use groundbreaking computer forensics to make their case. 2026-07-19 Pieces of plastic the size of sand hold clues to a bombing. 2026-07-19 At first glance it appears a young woman suffocated, but further investigation shows the scene was staged. 2026-07-19 A killer is careless when a home is destroyed by fire and a young boy is missing. 2026-07-19 A patrol officer is shocked by the amount of blood at a traffic accident and is shocked by the coroner's ruling until an anonymous phone call re-ignites the case. 2026-07-19 An irrigation canal murder remains unsolved until a similar murder occurs. 2026-07-19 The light of day and DNA picture painted by molecular biologist reveals new clues about a nighttime traffic accident. 2026-07-19 On Valentine's Day, an obstetrician finds his wife dead and calls 911; police discover inconsistencies between the blood spatter evidence and his version of events. 2026-07-19 Weed analysis and photogrammetry are used to help solve the 1995 murder of a California teenager is found dead after disappearing from her home. 2026-07-19 An Alaskan trooper finds a woman's body beside a frozen road, but evidence is scant even after a suspected murder weapon is found. 2026-07-19 Police link a clump of hair discovered in an isolated area with a woman who disappeared 20 years ago. 2026-07-19 A news anchor is shot to death outside her home in an apparent crime of passion by a fan; a police dog tracks the scent of the killer back to the crime scene. 2026-07-19 A fire, caused by an unattended cigarette, kills the estranged wife of a police officer; forensic scientists discover that the cause is far more complicated. 2026-07-19 A trio of men, responsible for several bank robberies, leaves no evidence behind; forensic scientists help catch them by looking at the criminals' posture and clothing. 2026-07-19 When a woman's bone marrow test reveals arsenic poisoning, investigators try to determine if it is due to groundwater contamination or something more sinister. 2026-07-19 A missing bank president's body is found floating in a lake; the duct tape used in binding him to a chair helps solve the crime. 2026-07-19 A husband was shot and killed, forensic psychiatry helped the wife to remember the details for what happened. 2026-07-19 The body of a 16-year-old girl is discovered nine months after her disappearance; forensic scientists find clues that paint a virtual portrait of her killer. 2026-07-20 A young woman falls to her death in what appears to be a tragic accident; a forensic exam of photos taken at the scene tells a different story. 2026-07-20 Haunted by her mother's long-ago disappearance, a woman undertakes an investigation of her own and stumbles upon a dark family secret. 2026-07-20 The robbery and brutal murder of an elderly couple goes unsolved for 10 years; a forensic scientist makes history when he solves the crime. 2026-07-20 A man is charged with the murder of a wrestling champion; six years later, a forensic animator testifies on his behalf. 2026-07-20 A 19-year-old girl is found dead in her car in what appears to be a suicide; police discover that the victim was involved in a love quadrangle, giving several people motive to kill. 2026-07-20 Fifteen years after a man disappears, using a metal detector, police find evidence which proves what had happened. 2026-07-20 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. 2026-07-20 Police become suspicious of a man who reported his wife missing 15 years after doing the same thing with his first wife. 2026-07-20 While investigating the case of a Colorado hunter shot three times and killed, police suspect two murder weapons, and two killers, but forensic evidence points them closer to home. 2026-07-20 A serial arsonist burns thousands of California homes and businesses. 2026-07-20 A small community in upstate New York is devastated when a car accident claims the life of a well-respected nurse. 2026-07-20 A woman disappears without a trace, and police learn two other women vanished under similar circumstances. 2026-07-20 Hikers near Anchorage, Alaska discover a body wrapped in sheets edged in orange stitching; they discover threads of evidence clinging to the sheet. 2026-07-20 The son of a murder victim contacts the police when a flight attendant is brutally murdered in a remarkably similar way. 2026-07-20 A two-man shrimp boat sinks when a fast-moving, violent storm struck the Louisiana coast; a deckhand is considered a hero for trying to save the drowned captain, until his body is found. 2026-07-20 A real estate tycoon must have had a premonition about foul play, as he wrote it in his will. 2026-07-20 The cold-blooded murder of an American tourist in a Mexican resort causes law enforcement to focus on both sides of the border. 2026-07-20 When a prominent banker's wife is kidnapped, the trail leads police on a wild goose chase; they track down disgruntled bank customers and examine computer fonts. 2026-07-20 A man has no recollection of events after stabbing his wife and holding her head underwater in a swimming pool. 2026-07-20 A decomposed body is found in a barrel, and a dilapidated address book may hold the answer, but investigators must find a way to read the pages because the passage of 30 years has turned them blank. 2026-07-20 When a policeman's home burns to the ground, he later arrests a man who confesses to arson, but the confession seems dubious. 2026-07-20 The anchors share the latest stories about significant events that take place across the world and interview prominent figures. 2026-07-20 The anchors share the latest stories about significant events that take place across the world and interview prominent figures. 2026-07-20 The anchors share the latest stories about significant events that take place across the world and interview prominent figures. 2026-07-20 When police recover the submerged car of a missing man, they find no body; the investigation that follows uncovers a deadly obsession and the motive for murder. 2026-07-20 Emergency dispatch received a call from a man who said his girlfriend shot and killed herself. But the wound was not self-inflicted. 2026-07-20 Investigators piece together evidence found at the scene of a Native American woman's murder; the tire tracks and shoe impressions could lead them to the killer. 2026-07-20 Experts seek answers to a young businesswoman's death just before she was to testify in a criminal trial. 2026-07-20 An anonymous caller reports the rape and murder of a dry cleaner employee; two eyewitnesses tell two similar but not identical stories. 2026-07-20 Police blame a botched robbery when an eccentric elderly millionaire is found dead, but the motive could be wrong. 2026-07-20 Woman disappears from grocery store parking lot in Boulder, Colo.; investigators find extraordinary clues in a pair of bloody gloves, unique tire tracks, and ordinary grass and pine needles. 2026-07-20 A car carrying three men pulls up alongside another on an Alaskan highway and fires shots, leaving a passenger dead; one of the passengers in the killer's car agrees to testify against his friends; the resulting trials don't end the carnage. 2026-07-20 Police suspect a gay college student's slaying is a hate crime until forensic evidence points the case in another direction. 2026-07-20 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. 2026-07-20 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. 2026-07-20 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. 2026-07-20 A fire investigator determines if a kerosene heater is the cause of a fire that killed one person or if it was murder. 2026-07-20 California police in 1957 search for a murderer, but the case goes cold; 50 years after a crime is committed, advances in computer technology determine the killer. 2026-07-20 Investigators piece together tiny clues at the scene of a hit-and-run accident; their findings help to track down the offending driver. 2026-07-20 Investigators determine what caused a house fire that killed an elderly couple and whether the victims' son is responsible. 2026-07-20 Detectives are suspicious after a woman is killed in a hunting accident, but it takes more than twenty years before a trace evidence analyst is able to match fibers on a soiled blanket to the killer. 2026-07-20 When hunters find a skull in a Texas canyon, police find bits of clothing, a woman's shoe, some small bones and a strand of hair; once they discover her identity, it was time to find the killer. 2026-07-20 A wife is missing in Key West; investigators wonder if they should be searching for a missing person or a killer. 2026-07-20 Suicide notes and a pistol in hand lead police to suspect that a mother of two young children appeared to have killed herself, but when investigators learned of a house fire she was in three years earlier, they reinvestigated. 2026-07-20 The violent death of an Air Force officer's wife outside a Philippines air base is examined, amid accusations of a love triangle involving the murdered woman's husband; investigators use groundbreaking computer forensics to make their case. 2026-07-21