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A brazen assassination in a small Texas town is examined. (Repeat).

An attack on a Muslim couple is investigated. (Repeat).

A graduate student's new romance isn't what it appears to be. (Repeat).

Two young people are found dead, and their house burns down. (Repeat).

The investigation into the 1994 abduction-murder of Emory University coed Shannon Melendi following a softball game is detailed. (Repeat).

An investigation into a woman's deadly tumble down a staircase is featured. (Repeat).

A man is reported missing by his daughter in a case involving identity theft and murder. (Repeat).

The woman was dead. The man had been shot four times but he survived. When the man's version of events was at variance with the evidence, investigators turned to forensic science, hoping to determine if this was a botched robbery, or cold-blooded murder. (Repeat).

The 2004 death of Charlene Hummert, who was strangled with a rope in her Pennsylvania home. The victim's husband, Brian David Hummert, was convicted of murder. (Repeat).

The 2004 murder of Florida insurance adjuster Katrina Froeschle, who was killed while visiting a home to assess storm damage. Jason Funk, who was renting the house, later admitted to killing the victim after trying to rape her. (Repeat).

When a hit-and-run accident claimed the life of a high school athlete, everyone in town mourned his passing. Finding the killer was a long shot at best, but investigators hoped tiny paint chips and pieces of plastic found at the scene would lead them to the person who was behind the wheel. (Repeat).

The 1996 murder of Memphis resident Shannon Sanderson is recalled. She was abducted from her home and killed after winning money at a casino in Tunica, Tenn. Gerald Lee Powers was convicted of the murder in 1998 and sentenced to death. (Repeat).

The case of pipe bomber James Genrich, a Colorado man who was convicted of killing two people in 1991. He was sentenced in 1993 to life in prison without parole. (Repeat).

The 1986 murder of Wisconsin resident Lynnea Gran, who was bludgeoned in a grocery store. The case went unsolved for years, until DNA evidence led to the arrest and conviction of the victim's son, Rodger Allen Gran. (Repeat).

The 2000 murder of Australian David Crawford, who was killed with an ax during a robbery. The victim's pacemaker recorded the exact time of death and led to the conviction of Ivan John Jones, a suspect who did not have an alibi for that specific time. (Repeat).

An elderly woman's fatal fall down a flight of steps is dismissed as an accident until the police receive a tip indicating otherwise. (Repeat).

The body of a missing college student is found in a ravine. (Repeat).

A house fire that killed a woman is investigated, and a heater appears to have started the blaze, but officials soon suspect foul play. (Repeat).

The murders of Dale and Glee Ewell, and their daughter, Tiffany, in their Fresno home in 1992. The couple's son, Dana, was convicted in the case, which involved a trust fund. Joel Radovcich, a college friend of Dana's, was convicted for his role in the crimes. (Repeat).

An investigation into a woman's deadly tumble down a staircase is featured. (Repeat).

A man is reported missing by his daughter in a case involving identity theft and murder. (Repeat).

The woman was dead. The man had been shot four times but he survived. When the man's version of events was at variance with the evidence, investigators turned to forensic science, hoping to determine if this was a botched robbery, or cold-blooded murder. (Repeat).

The 2004 death of Charlene Hummert, who was strangled with a rope in her Pennsylvania home. The victim's husband, Brian David Hummert, was convicted of murder. (Repeat).

The 2004 murder of Florida insurance adjuster Katrina Froeschle, who was killed while visiting a home to assess storm damage. Jason Funk, who was renting the house, later admitted to killing the victim after trying to rape her. (Repeat).

When a hit-and-run accident claimed the life of a high school athlete, everyone in town mourned his passing. Finding the killer was a long shot at best, but investigators hoped tiny paint chips and pieces of plastic found at the scene would lead them to the person who was behind the wheel. (Repeat).

The 1996 murder of Memphis resident Shannon Sanderson is recalled. She was abducted from her home and killed after winning money at a casino in Tunica, Tenn. Gerald Lee Powers was convicted of the murder in 1998 and sentenced to death. (Repeat).

The case of pipe bomber James Genrich, a Colorado man who was convicted of killing two people in 1991. He was sentenced in 1993 to life in prison without parole. (Repeat).

The 1986 murder of Wisconsin resident Lynnea Gran, who was bludgeoned in a grocery store. The case went unsolved for years, until DNA evidence led to the arrest and conviction of the victim's son, Rodger Allen Gran. (Repeat).

The 2000 murder of Australian David Crawford, who was killed with an ax during a robbery. The victim's pacemaker recorded the exact time of death and led to the conviction of Ivan John Jones, a suspect who did not have an alibi for that specific time. (Repeat).

An elderly woman's fatal fall down a flight of steps is dismissed as an accident until the police receive a tip indicating otherwise. (Repeat).

The body of a missing college student is found in a ravine. (Repeat).

A house fire that killed a woman is investigated, and a heater appears to have started the blaze, but officials soon suspect foul play. (Repeat).

The murders of Dale and Glee Ewell, and their daughter, Tiffany, in their Fresno home in 1992. The couple's son, Dana, was convicted in the case, which involved a trust fund. Joel Radovcich, a college friend of Dana's, was convicted for his role in the crimes. (Repeat).

Authorities are quite sure that the death of a grandmother at Christmas has no foul play but it doesn't not match to some things found on the scene. (Repeat).

A true crime hobbyist connects a Utah Jane Doe to an Ohio missing persons case, leaving detectives hard-pressed to solve the decades-old murder. (Repeat).

Get the latest news, weather updates, and sports analysis on CNN News Central. Stay informed with all the top stories of the day.

Get the latest news, weather updates, and sports analysis on CNN News Central. Stay informed with all the top stories of the day.

Get the latest news, weather updates, and sports analysis on CNN News Central. Stay informed with all the top stories of the day. (Repeat).

Police must try to outwit a cunning and sadistic serial killer who calls himself "The Slave Master." (Repeat).

Police must try to outwit a cunning and sadistic serial killer who calls himself "The Slave Master." (Repeat).

Identical Twins aren't always alike, especially when one could possibly be a killer. (Repeat).

Identical Twins aren't always alike, especially when one could possibly be a killer. (Repeat).

Nurse Judy Buenoano survives a string of unimaginable tragedies, including two house fires, a mysterious canoe accident, and the loss of her husband, boyfriend, and child. It is discussed whether Judy is just a magnet for bad luck or if something far more sinister is at play. (Repeat).

Nurse Judy Buenoano survives a string of unimaginable tragedies, including two house fires, a mysterious canoe accident, and the loss of her husband, boyfriend, and child. It is discussed whether Judy is just a magnet for bad luck or if something far more sinister is at play. (Repeat).

The abduction and murder of Adolph Coors III in 1960 is recalled. Coors's body was discovered seven months after his family received a ransom note from an alleged kidnapper. After a lengthy investigation, former Fulbright scholar Joseph Corbett was convicted of murdering Coors. (Repeat).

For twelve years, the murder of a young woman went unsolved, but with the passage of time came the development of technology. Would a used tissue found at the crime scene give police the evidence they needed to crack the case and bring a killer to justice? (Repeat).

The 1997 rape and murder of 9-year-old Sharra Ferger in Pasco County, Fla., is recalled. Gary Elishi Cochran (the victim's uncle) and Gary Steven Cannon were convicted for their roles in the crimes and both received life sentences. (Repeat).

It's usually easy to determine how a criminal entered the crime scene. But in this case, it was far from clear. It looked like the killer vanished into thin air...and perhaps he had. (Repeat).

When a young fireman died from what appeared to be serious but undiagnosed heart disease, his family and friends were devastated but they had no proof of foul play. Then they learned that, six years earlier in a nearby town, a young police officer died in the same way. The men had one thing in common: at the time of their deaths, they were married to the same woman. (Repeat).

The 2005 murder of Christie Wilson, who disappeared after leaving a California casino, is recalled. Mario Flavio Garcia was convicted in 2006 of killing Wilson after meeting her at the casino and spending time drinking and gambling with her. (Repeat).

A woman is murdered in her home, and clues include a pair of eyeglasses and a shoeprint in a squashed tomato. (Repeat).

The investigation into a missing Texas school teacher is aided by an ATM transaction and a shoelace. (Repeat).

The mystery surrounding the 1993 slaying of Mia Zapata, the lead singer for the Seattle punk-rock band the Gits, is solved a decade later with DNA evidence. (Repeat).

The case of a missing Michigan State University student. (Repeat).

How unlucky could one man be? His wife had taken her own life, and his college sweetheart had killed herself in much the same fashion fourteen years earlier. Investigators had to determine if this was a bizarre coincidence, or an attempt to get away with murder... twice. (Repeat).

The 1996 murder of Connecticut resident Gayle Isleib, who was shot and killed in her driveway by coworker Tyrone Montgomery. Montgomery was sentenced to 60 years for the murder and received another five years for plotting to kidnap the victim. (Repeat).

The 1993 rape and murder of Janet Siclari, who was killed in New Jersey. Thomas Jabin Berry was convicted, and sentenced to two life terms. (Repeat).

A 13-year-old girl went missing from her Colorado home, and the only evidence the kidnapper left behind was three fingerprints on a window screen. Two years later, a latent print examiner, new to the county and the crime lab, changed the course of the investigation by sharing a little-known fact with his colleagues. (Repeat).

The abduction and murder of Adolph Coors III in 1960 is recalled. Coors's body was discovered seven months after his family received a ransom note from an alleged kidnapper. After a lengthy investigation, former Fulbright scholar Joseph Corbett was convicted of murdering Coors. (Repeat).

For twelve years, the murder of a young woman went unsolved, but with the passage of time came the development of technology. Would a used tissue found at the crime scene give police the evidence they needed to crack the case and bring a killer to justice? (Repeat).

The 1997 rape and murder of 9-year-old Sharra Ferger in Pasco County, Fla., is recalled. Gary Elishi Cochran (the victim's uncle) and Gary Steven Cannon were convicted for their roles in the crimes and both received life sentences. (Repeat).

It's usually easy to determine how a criminal entered the crime scene. But in this case, it was far from clear. It looked like the killer vanished into thin air...and perhaps he had. (Repeat).

When a young fireman died from what appeared to be serious but undiagnosed heart disease, his family and friends were devastated but they had no proof of foul play. Then they learned that, six years earlier in a nearby town, a young police officer died in the same way. The men had one thing in common: at the time of their deaths, they were married to the same woman. (Repeat).

The 2005 murder of Christie Wilson, who disappeared after leaving a California casino, is recalled. Mario Flavio Garcia was convicted in 2006 of killing Wilson after meeting her at the casino and spending time drinking and gambling with her. (Repeat).

A woman is murdered in her home, and clues include a pair of eyeglasses and a shoeprint in a squashed tomato. (Repeat).

The investigation into a missing Texas school teacher is aided by an ATM transaction and a shoelace. (Repeat).

The mystery surrounding the 1993 slaying of Mia Zapata, the lead singer for the Seattle punk-rock band the Gits, is solved a decade later with DNA evidence. (Repeat).

The case of a missing Michigan State University student. (Repeat).

How unlucky could one man be? His wife had taken her own life, and his college sweetheart had killed herself in much the same fashion fourteen years earlier. Investigators had to determine if this was a bizarre coincidence, or an attempt to get away with murder... twice. (Repeat).

The 1996 murder of Connecticut resident Gayle Isleib, who was shot and killed in her driveway by coworker Tyrone Montgomery. Montgomery was sentenced to 60 years for the murder and received another five years for plotting to kidnap the victim. (Repeat).

The 1993 rape and murder of Janet Siclari, who was killed in New Jersey. Thomas Jabin Berry was convicted, and sentenced to two life terms. (Repeat).

A 13-year-old girl went missing from her Colorado home, and the only evidence the kidnapper left behind was three fingerprints on a window screen. Two years later, a latent print examiner, new to the county and the crime lab, changed the course of the investigation by sharing a little-known fact with his colleagues. (Repeat).

A young Colorado mother suddenly vanishes on Thanksgiving Day. When police trace her cell phone, it leads them to a surprising character with an even more surprising story. (Repeat).

Eight days after she had disappeared, an 18-year-old woman's partially nude body is found floating in a river in Wyoming. Years later, DNA technology uncovers dark secrets that led to her demise. (Repeat).

Get the latest news, weather updates, and sports analysis on CNN News Central. Stay informed with all the top stories of the day.

Get the latest news, weather updates, and sports analysis on CNN News Central. Stay informed with all the top stories of the day.

Get the latest news, weather updates, and sports analysis on CNN News Central. Stay informed with all the top stories of the day. (Repeat).

The murder of a pregnant woman is investigated. (Repeat).

A man is murdered in a small Michigan town. (Repeat).

A brutal attack on an artist in her Orlando apartment is investigated. (Repeat).

A man is murdered in broad daylight and police uncover a slew of suspects. (Repeat).

A professional woman disappears in broad daylight and her body is found in the woods days later. (Repeat).

The shooting death of a mother of two is investigated. (Repeat).

The 1991 murder of Myrtle Beach resident Heather Stigliano is recalled. The victim was killed by James Bernard Whipple during a robbery. (Repeat).

The 2001 murders of Texas residents Cammy Lynn Keleman and Dana Denise Feazell are investigated. (Repeat).

The 2004 murders of Leslie Mazzara and Adriane Insogna of Napa, Cal., are investigated. The women were stabbed to death as they slept in their home. Eric Matthew Copple, a co-worker of Insogna, pleaded guilty to the killings. (Repeat).

The exoneration of convicted murderer Roy Arthur Brown is examined. Brown was found guilty of the 1991 killing of New York social worker Sabina Kulakowski and sentenced to prison, based in part on bite marks found on the victim. However, DNA evidence would later prove that Brown was innocent. (Repeat).

The 2004 murder of Florida resident Cathy Lamb, who was bludgeoned to death with a tire iron in her home, is recalled. The victim's husband, Jeffrey Lamb, was convicted of the crime and given a life sentence. (Repeat).

The 1998 murder of Texas trial lawyer Leslie Vaughn, who was shot while sleeping. The victim's son Brian was convicted of murder and given a 33-year sentence. (Repeat).

The 1998 murder of Ohio resident Judith Johnson is recalled. Johnson's son-in-law, Clarence Elkins, was originally convicted of the crimes, but was exonerated by DNA evidence. (Repeat).

The 1984 murder of Middle Tennessee State student Laura Salmon, who was killed by numerous blows to the head. The victim's ex-boyfriend, David Kyle Gilley, was convicted of the murder after his DNA was found on a pair of men's jeans that were covering the vicitim's body. (Repeat).