TV Guide HLN Monday

Forensic scientists are able to use DNA evidence to reveal that the killer is a woman, but a series of disappointing leads causes the case to go cold.

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.

Police investigators struggle to find a sample of the killer's blood among the excessive gore of a particularly violent crime scene.

Forensic scientists are able to prove the innocence of a husband who made the call to 911 while heading to the hospital after his wife was shot.

Police are initially reluctant to believe the story of a woman who claims that a man invaded her home wearing only his underwear and a pair of gloves.

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.

A murder case that went unsolved six years in the past provides law enforcement officials with the key piece of evidence they need.

When a young female college student disappears without explanation, investigators manage to find a blood spatter in her boyfriend's bedroom.

Law enforcement officials attempt to track down a serial rapist in Texas, and time is of the essence as the criminal's violence continues to escalate.

A distinctive button provides police detectives with a key clue in their investigation into the murder of a woman who was stabbed more than 30 times.

Elderly woman found murdered in her home and police retrieve fingerprints from crime scene but are unable to find match until after technological advancements.

A sniper attempts to evade the police by scratching off the serial number of the gun he used to kill a man but police are able to make the number reappear.

Live reports of the latest breaking news from around the world.

Live reports of the latest breaking news from around the world.

Live reports of the latest breaking news from around the world.

Crime scene reconstruction leads to the killer of one of the Mitchell Brothers, the one-time kings of American pornography.

The body of a female prison guard is discovered in a landfill, and a distinctive element provides a key clue towards uncovering the identity of her killer.

Surveillance satellites prove to be instrumental in law enforcement official's attempts to uncover the location of an abducted 9-year-old girl.

Ritualistic similarities between two crimes that occurred hundreds of miles apart allow investigators to connect the events and identify the suspect.

When a Pennsylvania woman disappears on her way to work, it takes a conjunction of photography, cats, and insects to solve the case.

The death of Walter Scott, lead singer for the 1960s band Bob Kuban and the In-Men, lead to the arrest and conviction of his girlfriend in 1983.

A four-year-old girl is found unconscious in a parking lot, police concluded it was a hit and run, and left it at that.

A mother and her daughter fail to return from a day of shopping; the daughter's body is found on the side of the road, but the mother is nowhere to be found.

Singer Walter Scott was a one-hit wonder with The Cheater, but after performing it on the road for 14 years, he disappeared.

A man is sent to prison after confessing to a rape and murder, but then eight years later another man confesses to the same crime.

Two young boys are brutally attacked in a pond, the severity of the assaults prove that the intent was to murder; authorities suspect a band of bullies.

A clue barely bigger than a human hair offers investigators important evidence regarding the case of a woman who was strangled and dumped in an icy river.

Forensic scientists are able to use DNA evidence to reveal that the killer is a woman, but a series of disappointing leads causes the case to go cold.

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.

Police investigators struggle to find a sample of the killer's blood among the excessive gore of a particularly violent crime scene.

Forensic scientists are able to prove the innocence of a husband who made the call to 911 while heading to the hospital after his wife was shot.

Police are initially reluctant to believe the story of a woman who claims that a man invaded her home wearing only his underwear and a pair of gloves.

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.

A murder case that went unsolved six years in the past provides law enforcement officials with the key piece of evidence they need.

When a young female college student disappears without explanation, investigators manage to find a blood spatter in her boyfriend's bedroom.

Law enforcement officials attempt to track down a serial rapist in Texas, and time is of the essence as the criminal's violence continues to escalate.

A distinctive button provides police detectives with a key clue in their investigation into the murder of a woman who was stabbed more than 30 times.

When a woman goes missing after attending her church service, authorities begin searching for the driver of a van identified by eye-witnesses.

The search for a missing 9-year-old girl goes on for weeks until a psychic's vision leads law enforcement officials to a field containing her body.

When a woman goes missing after attending her church service, authorities begin searching for the driver of a van identified by eye-witnesses.

The search for a missing 9-year-old girl goes on for weeks until a psychic's vision leads law enforcement officials to a field containing her body.

Detectives are able to confirm that what appeared to be a casual encounter was in fact a forced abduction by analyzing digitally-enhanced security footage.

Law enforcement officials investigate a case concerning a woman who survived a series of stab wounds inflicted during a sexual assault.

After a Kentucky businessman is murdered in the safety of his own home, police are left to question whether the brutal crime could be blamed on a home intruder.

A woman falls to her death while vacationing with her husband and two sons, but investigators begin to suspect that the event was not an accident.

A missing person case involving a woman who disappeared after attending a night out on the town ultimately turns into a homicide case.

A woman who was widowed after surviving the brutal attack that killed her husband withdraws her testimony after identifying the killer.

A high-priced call girl is murdered near the outer border of Columbia, South Carolina, and the only evidence they have to go on is a six-pack of beer.

Authorities manage to apprehend a group of people believed to be responsible for a series of church bombings in an Eastern Illinois community.

A criminal's unique occupational habit gives investigators the important clue they need to apprehend him in relation to the death of a college student.

After a college student is gruesomely murdered, investigators try to determine whether the clues indicate a sex crime or a rage-filled killing.

Law officials seek the assistance of forensic scientists to investigate a case involving a Pennsylvania man who was found dead almost 100 miles from his home.

A gravely ill young man dies in the hospital before doctors can save him, so police must use forensic science to determine the cause of death.