HLN HD Scientists and detectives use DNA to solve a string of rapes and murders. 2026-08-10 Police use DNA profiles of seed pods from a truck to catch a killer. 2026-08-10 Police believe they have a serial rapist and murderer, but DNA testing and research leads to another arrest and conviction. 2026-08-10 In 1976, 182 war veterans in Philadelphia become hospitalized with pneumonia-like symptoms and 29 die; the disease resurfaces every few years. 2026-08-10 After a wealthy Southern physician gets murdered with a baseball bat, his wife and a handyman become convicted of the crime. 2026-08-10 In 1971, John List disappears after murdering his mother, wife and three children; he eludes the law for years until an age-scaled sculpture of the suspect and a true-crime TV program helps lead to his arrest in 1989. 2026-08-10 An 11-year-old boy comes down with a fever and diarrhea after eating an undercooked burger; when his condition worsens, his mother drives him to a hospital and doctors discover E. coli destroying his body. 2026-08-10 Florida police search for a serial rapist and murderer who left small red fibers on each of his 10 victims. 2026-08-10 When an English couple go missing, police suspect their son killed them and must rely on mud and blood samples found in the couple's two cars to find their bodies. 2026-08-10 Experts attempt to discover the source of heavy fog on Highway I-75 in Tennessee, which caused a 99-car accident and 12 deaths. 2026-08-10 When a woman goes missing from her home, police focus on her husband when an airline luggage tag and luminol point to an affair and murder; footage from a TV crew and Coast Guard photographs lead investigators to the suspect's missing boat. 2026-08-10 When a woman exhibits strange flu-like symptoms before dying, investigators discover someone added thallium to her soda; detectives initially suspect her husband, but the case takes a sinister turn. 2026-08-10 Handwriting and simple doodles complicate a car-bomb case and an alleged self-defense shooting in a peaceful British farming village as police uncover a husband's plot to kill his wife for insurance money. 2026-08-10 When dozens of infants develop serious breathing problems in the Cleveland area, doctors and investigators search high and low for the cause. 2026-08-10 A well-liked bank vice president collapses and dies after taking pain pills laced with cyanide; the search for a motive reveals a callous suspect who had murdered once before. 2026-08-10 Evidence reveals a teacher who complained of being stalked and harassed by another teacher was scamming police. 2026-08-10 A man kills two people with bombs in an effort to get investors off his back, but authorities catch onto him, and he becomes sentenced to life with no chance of parole. 2026-08-10 A man arrested for the sexual assault and attempted murder of a boy in a European country becomes linked to a murder in Zurich, Switzerland, through analysis of microorganisms. 2026-08-10 Heavy rains and snow run-off carry manure into Milwaukee's water supply in 1993, leading to an epidemic of gastrointestinal illness affecting 400,000 people. 2026-08-10 Autopsies reveal that a string of unexplained deaths in Omaha resulted from poison-induced liver disintegration. 2026-08-10 A killer wants to outwit the police and keep the identity of his victim secret so he removes the teeth; however, lab tests on the skull reveal not just the horrific nature of the murder, but the identity of the victim too. 2026-08-10 When a fundamentalist group is accused of robbing banks, authorities know they are dealing with experienced criminals and overwhelming evidence, but the defense is very well-funded. 2026-08-10 The anchors share the latest stories about significant events that take place across the world and interview prominent figures. 2026-08-10 The anchors share the latest stories about significant events that take place across the world and interview prominent figures. 2026-08-10 The anchors share the latest stories about significant events that take place across the world and interview prominent figures. 2026-08-10 When a farmer's wife disappears, the tests of a plant pathologist and a dendrochronologist lead to a surprising revelation. 2026-08-10 A son who is convinced of his mother's innocence in the death of his father enrolls in law school to try and clear her name. 2026-08-10 The pornography empire cultivated by brothers Artie and Jim Mitchell crumbles when one turns up dead and his brother confesses to shooting him; investigators question whether the shooting was premeditated. 2026-08-10 When prison guard Donna Payant's body is discovered at a landfill, a medical examiner uses a "signature" clue to link her death to a murder the same examiner investigated 10 years earlier. 2026-08-10 When a 9-year-old girl vanishes on her way to school, the entire community helps with the search; detectives believe her mother may be involved, and a hidden fingerprint seals the case. 2026-08-10 The investigation of a murder case in New Jersey is stalled until a similar attack occurs on a state trooper in Maine. 2026-08-10 A young woman goes missing without leaving many clues, but the advanced technology on offer makes it possible for cat hairs and insects to help build an image of the abductor. 2026-08-10 Blood spatter analysis and an investigation lead police to the truth when a pregnant woman is found dead in her home. 2026-08-10 A mother is determined to discover what happened when her daughter is injured in a hit-and-run accident. 2026-08-10 Forensic science and deductive reasoning determine what happened to a mother and daughter while they were on a shopping spree. 2026-08-10 Exploring how an American hit single from 1966 -- "The Cheater" by Bob Kuban and the In-Men -- foreshadowed the demise of the group's lead singer, Walter Scott. 2026-08-10 Eight years after a man confessed to the murder of a young woman, another man claims that he committed the crime, and investigators must use forensic evidence to determine the true killer. 2026-08-10 In a series of murders near Sacramento, Calif., a killer gags and molests prostitutes, cuts their clothes in random patterns and cuts off their hair; microscopic evidence helps solve the case. 2026-08-10 After the discovery of a skull in the forest near a boy scout camp, police use facial reconstruction to identify the body. 2026-08-10 Investigators use obscure evidence to find the person responsible for killing justice officials with mail bombs in the South. 2026-08-10 Forensic scientists provide authorities with evidence that a death deemed accidental 20 years ago was actually murder. 2026-08-10 Detectives learn that a genetic disorder caused the deaths of a woman's children, resulting in an overturned conviction. 2026-08-10 When a young woman goes missing on the way to the train station, investigators use a strand of hair and a bloody pillowcase to find a suspect. 2026-08-10 Investigators reopen a case from 1984 involving the rape of a young Virginia woman when DNA testing refutes her identification of the rapist and calls everything into question, leading to the accused person's exoneration. 2026-08-10 A speck of bicycle paint and a speck of nickel left over from a collision with a twice-convicted child molester's car provide critical clues in the murder of a 9-year-old. 2026-08-10 A 2-year-old boy's brain seizures and breathing problems baffle doctors until they learn the mother exhibits signs of Munchausen syndrome by proxy, a rare condition that led her to physically abuse her son and contributed to her daughter's death. 2026-08-11 Two years after an 18-year-old's murder in Albion, Mich., a tiny drop of blood and burned bones lead police to her killers. 2026-08-11 A mother claims that an intruder murdered her two sons, but lacking a motive, police use blood-spatter analysis and behavioral profiling to reconstruct a different scenario. 2026-08-11 A routine missing persons report leads Texas police to discover a deadly love triangle; evidence found in a suspect's home matches the murder scene and leads to the indictment of the victim's girlfriend and her lover. 2026-08-11 A 1995 fire razes the mansion of a Kansas doctor, killing two of her three children; disturbing accounts from an ex-husband lead investigators to believe the doctor set the blaze herself. 2026-08-11 A husband confesses to his wife's murder, only to be found not guilty a year later when a phone tip and forensic evidence point to another. 2026-08-11 In Lorton, Va., police attempt to determine who abducted 5-year-old Melissa Brannen after she disappeared from a Christmas party, but cannot be certain until they match hair from a rabbit-fur jacket Brannen wore that day. 2026-08-11 When a Pennsylvania man checks into a hospital for leg pain and later dies of thallium poisoning, police investigate his wife and find her in the process of collecting an insurance payment for her previous husband's death. 2026-08-11 Police exhume the body of Karla Brown, murdered in her home in 1978, to study bite wounds, which eventually lead to the killer. 2026-08-11 A new life-insurance policy sparks suspicions of murder when a Nova Scotia schoolteacher's body is found at the bottom of her basement stairs. 2026-08-11