A 16-year-old girl manages to survive when her parents are brutally murdered in their bedroom, and investigators suspect that there might be more to her story.
When investigators manage to locate a bag full of evidence caught in the branches of a tree, they deduce that the killer meant to throw it in the river.
Law officials and forensic scientists attempt to ascertain the connection between three female college students who were murdered in a similar fashion.
A variety of tiny clues adds up to an abundance of evidence regarding the case of a woman who disappeared after working the late shift at a department store.
When the body of a young criminology student is discovered wrapped in a blanket along an abandoned road in Brooklyn, the authorities suspect an unusual culprit.
A 23-year-old Marine dies in his bedroom, which doctors believe to be a heart attack - but after arsenic is found inside him, his wife is charged with murder.
After an 18-year-old girl is kidnapped while talking on a pay phone, forensic evidence on her clothes point police to a suspect who says he didn't act alone.
Authorities investigate a VA hospital in Clarksburg, W. VA, whose patients keep dying from suspiciously low blood sugar levels, revealing a sinister story.
When a 70-year-old retired veteran is found murdered on his boat after a bad storm, authorities suspect his recent winnings may have played a role in his death.
A close community is struck by tragedy when a teacher's aide is murdered and investigators work for decades until a scientific breakthrough leads to the killer.
A census worker is found dead, hanging nude from the branches of a tree and the only clue to what happened to him are the letters "FED" written on his chest.
A single mom disappears and worst fears are confirmed when her body is discovered in a truck's toolbox and evidence points to a past lover as the killer.
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.
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.
A six-year-old girl witness the brutal murder of her grandmother before being assaulted herself, and her testimony results in the conviction of her uncle.
While investigating the death of a woman whose body was found a mile away from her abandoned car, police uncover evidence that leads back to one of their own.
A female naval officer is found murdered after threatening to expose the cycle of sexual harassment, assault and corruption within the military hierarchy.
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.
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.
Two new pieces of evidence in the form of a pair of running shoes and a cell phone breathe new life into a murder case that went unsolved for eight years.
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