HLN HD A family suspects their teenage daughter's new friends were involved in her disappearance. 2026-04-18 When a 62-year-old man opens a car restoration business and becomes seriously ill, his doctors cannot find the cause, but forensics can; identification of a highly toxic metal in the victim's blood leads to his poisoner. 2026-04-18 When a 6-year-old disappears, her father becomes the prime suspect; he fails a polygraph test and even confesses, but 10 years later, the investigation gets turned on its head. 2026-04-18 Investigators build a makeshift tent around a woman's body and use superglue fumes to lift the killer's palm print from the victim's skin. 2026-04-18 The disappearance of a mail-order bride proves suspicious when detectives learn that two of the Texas husband's previous wives had died in mysterious circumstances. 2026-04-18 A jeweler's search through old sales records helps police find likely suspects in the murder of elderly couple Edward Kowalzck and Gertrude Thompson. 2026-04-18 Experts debate whether an apparent heart attack victim died from natural causes or alleged poisoning by his girlfriend. 2026-04-18 When a 12-year-old was found dead in her home, police were left clueless until a string of burglaries months later. A trail of stolen goods may help solve a murder. 2026-04-18 When 15-year-old Marlene Miller was murdered, it would take 24 years and several retrials before forensic scientists discovered the evidence to bring her killer to justice. 2026-04-18 Detectives use a forged signature to find a woman's abductor. 2026-04-18 A woman is killed two days before she was scheduled to testify against a man accused of assaulting her and the prime suspect has an alibi. 2026-04-18 A bite mark is all the evidence needed to convict a suspect who was robbing tourists in Florida. 2026-04-18 Technology able to analyze human bite-marks yields information on a woman's death. 2026-04-18 A death in Pennsylvania is strikingly similar to one in North Carolina. 2026-04-18 When a nurse starts experiencing a variety of flu-like symptoms, she discovers that she is HIV-positive; she learns that her infection was not accidental. 2026-04-18 Time of death becomes pivotal when a pregnant woman is found murdered in her air-conditioned bedroom. 2026-04-18 An obscure print found at a crime scene. 2026-04-18 A diner in a small town, an endocrinologist and a forensic botanist help destroy a prime suspect's alibi. 2026-04-18 Neighbors do not hear the gunshots when a union official is killed in his home. 2026-04-18 A man tells police he shot an intruder who murdered his wife; forensic evidence leads police to re-examine the man's motives. 2026-04-18 Stories from across the world and refreshing conversations with Audie Cornish. 2026-04-18 Stories from across the world and refreshing conversations with Audie Cornish. 2026-04-18 Investigators see through a killer trying to cover his tracks by staging the crime scene to learn what really happened. 2026-04-18 A young girl beaten after watching her grandmother killed, identifies the wrong person; years later she tries to change her statement. 2026-04-18 In 1984 police failed to convict the murderer of a college student; new technology may finally help the police to catch her killer. 2026-04-18 Police investigate a young woman found murdered two weeks after reporting a road rage incident; evidence leads not to the aggressive driver, but one of their own. 2026-04-18 When a single mother is murdered, her brother vows to find the person responsible for the death of his sister, even if it takes more than 30 years. 2026-04-18 A husband and wife get shot, and their 16-year-old daughter manages to escape, but investigators suspect she may be involved in the murder. 2026-04-18 After 10 years, a witness decides to do the right thing about the rape and murder of a young hairdresser. 2026-04-18 Police investigate the possibility of a hate crime when two women go missing and are later found murdered. 2026-04-18 When a human skeleton is found on marshland and determined to be at least 18 months old, a computer consultant gives her a face and name. 2026-04-18 A killer places all the incriminating evidence to the murder in a plastic bag, hoping it will float down the river. 2026-04-18 A woman's body is found inside a burned mobile home and the autopsy reveals she was beaten, making this a murder. 2026-04-18 Security guard who disappeared from his post was found a year later in a remote camp site; a decade later, a phone call and a paint smear on his boot helped scientists determine what happened during his final moments. 2026-04-18 When three students are brutally murdered close to campus, investigators must determine what the women had in common before their serial killer strikes again. 2026-04-18 A bag full of evidence recovered from an iced-over river helps to reveal the murderer of a businesswoman in her own shop. 2026-04-18 Eyewitness to real estate agent's murder is put under forensic hypnosis in an attempt to help him recall the killer's face. 2026-04-18 Police launch a search for a killer after a teenager returns home to find his father's body in a pool of blood. 2026-04-18 A garbage bag leads police to a child's killer. 2026-04-18 An investigation into the disappearance of a young woman uncovers a tooth that helps police solve a crime without a body. 2026-04-18 The sensitive nose of a forensic examiner sniffs out murder. 2026-04-18 Discovering that an assault suspect is left-handed is crucial to a police investigation dating back 16 years. 2026-04-18 Forensic scientists try to find a way to "lift" the serial number from a shotgun that's their only clue in a case. 2026-04-18 Investigating the worst arson spree in U.S. history -- a rash of more than 75 fires near Seattle. 2026-04-18 Computers aid the police and FBI in solving a string of crimes. 2026-04-18 Using an anonymous letter and geographical profiling, investigators close in on a serial rapist, and a cleverly obtained DNA sample confirms their suspicions. 2026-04-18 When a young boy has serious respiratory problems and his father shows signs of early Alzheimer's disease, a chance encounter with a stranger kicks off an investigation into the cause. 2026-04-19 Police in St. Petersburg, Fla., use cell phone mapping, wiretapping and a host of forensic evidence to find a surgeon's killer. 2026-04-19 A woman wins her release after being imprisoned for allegedly killing her mother in a car fire. 2026-04-19 Authorities are able to apprehend a kidnapper because he allowed his victim to write a will on a telltale pad of paper. 2026-04-19 Experts debate whether an apparent heart attack victim died from natural causes or alleged poisoning by his girlfriend. 2026-04-19 When a 12-year-old was found dead in her home, police were left clueless until a string of burglaries months later. A trail of stolen goods may help solve a murder. 2026-04-19 A police officer claims his estranged wife's shooting death was a suicide, but investigators think it was a murder. 2026-04-19 When firefighters find a family dead inside their home, it appears to be a murder-suicide; clues at the scene lead investigators to believe otherwise. 2026-04-19 A couple's murder leads investigators into the world of white supremacists and a string of hate crimes. 2026-04-19 A rare gun and a victim's beloved dog help investigators trying to solve a multi-year-long murder case where most of the witnesses were admitted drug users. 2026-04-19 A search in Virginia's DNA databank reveals the identity of a news producer's murderer. 2026-04-19 A homicide detective claims his wife accidentally shot herself in the head, but the evidence indicates otherwise. 2026-04-19 Officials probe the death of a woman investigating the possible side effects of the drug she was prescribed for bipolar disorder. 2026-04-19 A chip of stainless steel brings a killer to justice 20 years after a woman's body is found in a ravine. 2026-04-19 An 11-year-old girl is sexually assaulted and shot twice at close range. 2026-04-19 A woman is killed weeks before testifying against the man who sexually assaulted her. 2026-04-19 New York police hunt the Zodiac killer after a series of deadly attacks. 2026-04-19 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? 2026-04-19 A child's memory, a diary and a forensic psychologist help investigators solve a young woman's murder. 2026-04-19 Investigators weigh several theories while probing the death of a retired police officer, including a botched robbery and suicide. 2026-04-19 Stories from across the world and refreshing conversations with Audie Cornish. 2026-04-19 Stories from across the world and refreshing conversations with Audie Cornish. 2026-04-19 Melanie Zanona; Catherine Lucey; Isaac Arnsdorf. 2026-04-19 Pathologist examining the death of a politician who was running for re-election finds tiny puncture wounds at the autopsy. 2026-04-19 A Naval officer who threatened to go public with tales of on-the-job sexual harassment and assault is brutally murdered, but when investigators find the allegations could be part of an elaborate scheme for money, they turn to forensic science. 2026-04-19 A man is found stabbed to death after a night in a strip club; a drop of blood on a bedspread becomes critical evidence five years later. 2026-04-19 After police identify a murder victim thanks to her butterfly necklace, they discover several co-workers had vendettas against the victim. 2026-04-19 The brutal murder of a construction site foreman looks like the work of a disgruntled employee, but forensic science points to an unlikely suspect. 2026-04-19 A shooting victim mutters the name of her apparent assailant before dying, but fingerprint comparisons, handwriting analysis, ballistics and DNA testing show someone else close to home is the true killer. 2026-04-19 A woman's story seemed far-fetched; she tells investigators that a man broke into her home wearing only underwear and gloves, killed her boyfriend and raped and terrorized her. 2026-04-19 After a Delaware man's mother is found dead, he tells a story that's so improbable police think it can't possibly be true. 2026-04-19 A family vacation turns into a terrifying search for a missing wife and baby, then becomes a manhunt for a killer who committed a horrific crime. 2026-04-19 A DNA dragnet catches a killer eight years after the kidnapping, rape and murder of a college coed in Oklahoma. 2026-04-19 A nosy neighbor with a disturbing obsession becomes a suspect in a woman's murder at an upscale apartment complex; police discover an incredible link to an unrelated murder thousands of miles away. 2026-04-19 A college student turns up dead and her boyfriend becomes a prime suspect when blood splatters are discovered on his wall. 2026-04-19 Texas police hunt frantically for a brutal rapist. No one knows where he'll strike next, but given the increasingly violent nature of his crimes, he must be found soon. 2026-04-19 When detectives find a mismatched button in relation to a woman's death, they know they can follow the clue back to the killer. 2026-04-19 When 15-year-old Marlene Miller was murdered, it would take 24 years and several retrials before forensic scientists discovered the evidence to bring her killer to justice. 2026-04-19 Detectives use a forged signature to find a woman's abductor. 2026-04-19 A woman is killed two days before she was scheduled to testify against a man accused of assaulting her and the prime suspect has an alibi. 2026-04-19 A bite mark is all the evidence needed to convict a suspect who was robbing tourists in Florida. 2026-04-19 Technology able to analyze human bite-marks yields information on a woman's death. 2026-04-19 A death in Pennsylvania is strikingly similar to one in North Carolina. 2026-04-19 When a nurse starts experiencing a variety of flu-like symptoms, she discovers that she is HIV-positive; she learns that her infection was not accidental. 2026-04-19 Time of death becomes pivotal when a pregnant woman is found murdered in her air-conditioned bedroom. 2026-04-19 An obscure print found at a crime scene. 2026-04-20