A recent law school graduate in Georgia who has a promising future disappears without a trace.

After a Georgia father is discovered bludgeoned by a hammer in his own bedroom, it takes years for detectives to nail down if this murder is connected to a series of online romances or a case of mistaken identity.

When a devoted father is found brutally stabbed to death in his Florida home, detectives turn their focus to the picture-perfect family who appear to have it all.

A man disappears after a duck hunting trip in Florida on his sixth wedding anniversary and is later found to have been murdered.

The investigation into a home invasion involving a local business owner takes a turn when an unlikely witness comes forward; new details emerge from interviews.

A former marine who once was the hero for a woman in an abusive marriage may have let his desire to help go too far.

Top criminal investigators, forensic scientists and behavioral analysts track three serial killers.

When a man goes missing in rural Barnesville, Ga., investigators try to determine if he left on his own or if foul play occurred.

In Euclid, Ohio, a teenage boy develops a crush on the girl next door but gets rebuffed, setting the stage for murder.

Top criminal investigators, forensic scientists and behavioral analysts track three serial killers.

In Alden, N.Y., siblings who live next door to each other get into a conflict when a brother returns home; soon, they are at each other's throats and their family feud comes to a fiery end.

In Euclid, Ohio, a teenage boy develops a crush on the girl next door but gets rebuffed, setting the stage for murder.

Top criminal investigators, forensic scientists and behavioral analysts track three serial killers.

When a well-liked young man in Milwaukee is found shot to death inside his locked home, detectives must piece together his final days through a network of friends and lovers to expose a killer's desire to kill what they couldn't keep.

A father in Hawaii tackles setback after setback in his fight for justice for his murdered daughter.

In Alden, N.Y., siblings who live next door to each other get into a conflict when a brother returns home; soon, they are at each other's throats and their family feud comes to a fiery end.

Top criminal investigators, forensic scientists and behavioral analysts track three serial killers.

In Alden, N.Y., siblings who live next door to each other get into a conflict when a brother returns home; soon, they are at each other's throats and their family feud comes to a fiery end.

A father in Hawaii tackles setback after setback in his fight for justice for his murdered daughter.

When a well-liked young man in Milwaukee is found shot to death inside his locked home, detectives must piece together his final days through a network of friends and lovers to expose a killer's desire to kill what they couldn't keep.

When a man goes missing in rural Barnesville, Ga., investigators try to determine if he left on his own or if foul play occurred.

Key players in the case of Rod Covlin, a New York man who is found guilty of murdering his wife for her $5.3 million fortune and attempting to frame his then-teenage daughter, share their stories.

A murder outside Pleasantville, Iowa, divides a family and forces one man to take the investigation into his own hands.

When 78-year-old Ina Gross is viciously murdered, suspicion falls on one of her own children; the siblings stand together until the truth is revealed.

A doting husband and father mysteriously disappears from his rural town just outside Atlanta; when his body is discovered stabbed and bludgeoned to death in the woods, detectives uncover evidence of a love triangle that led to a conspiracy.

A father in Hawaii tackles setback after setback in his fight for justice for his murdered daughter.

When a well-liked young man in Milwaukee is found shot to death inside his locked home, detectives must piece together his final days through a network of friends and lovers to expose a killer's desire to kill what they couldn't keep.

When a man goes missing in rural Barnesville, Ga., investigators try to determine if he left on his own or if foul play occurred.

Key players in the case of Rod Covlin, a New York man who is found guilty of murdering his wife for her $5.3 million fortune and attempting to frame his then-teenage daughter, share their stories.

A murder outside Pleasantville, Iowa, divides a family and forces one man to take the investigation into his own hands.

When 78-year-old Ina Gross is viciously murdered, suspicion falls on one of her own children; the siblings stand together until the truth is revealed.

A doting husband and father mysteriously disappears from his rural town just outside Atlanta; when his body is discovered stabbed and bludgeoned to death in the woods, detectives uncover evidence of a love triangle that led to a conspiracy.

Knowledge of insects by a forensic entomologist leads police to the killer of a wife and mother of two.

While investigating a missing Oregon handyman, police stumble upon human remains and are left searching a crime scene straight out of a horror movie.

In Longboat Key, Fla., a psychologist discovers her neighbor may be a violent criminal and vows to protect herself - with devastating consequences.

Knowledge of insects by a forensic entomologist leads police to the killer of a wife and mother of two.

In Tamarac, Fla., a new boy becomes friends with the most unruly youngsters in his neighborhood, leading to bad blood that boils over on Halloween and comes to a horrific end.

In Longboat Key, Fla., a psychologist discovers her neighbor may be a violent criminal and vows to protect herself - with devastating consequences.

Knowledge of insects by a forensic entomologist leads police to the killer of a wife and mother of two.

After detectives discover a fire chief's dismembered torso in his own barn, they rush to find his wife.

With six people killed and a city under siege, a retired detective tries to figure out how the killings are linked.

Knowledge of insects by a forensic entomologist leads police to the killer of a wife and mother of two.

In Tamarac, Fla., a new boy becomes friends with the most unruly youngsters in his neighborhood, leading to bad blood that boils over on Halloween and comes to a horrific end.

After detectives discover a fire chief's dismembered torso in his own barn, they rush to find his wife.

While investigating a missing Oregon handyman, police stumble upon human remains and are left searching a crime scene straight out of a horror movie.

When a young woman finds out that her boyfriend might have shot and killed a college football player out of revenge, she struggles with coming forward to officials, fearing she could lose her life.

The murder of a beloved schoolteacher takes detectives from Kentucky to Florida, where an unexpected romance comes to light; as the investigation unfolds, relationships unravel, and a long con born of greed is unveiled.

After the body of a small-town Mississippi woman is found in her garage and a mystery woman is caught red-handed on scene, police must work to identify a romantic rival obsessed with getting rid of the competition.

A noise complaint turns into a murder investigation for Florida police after they discover a man has been fatally shot in his home; years pass before an unexpected confession will expose a murder-for-hire plot fueled by betrayal and greed.

With six people killed and a city under siege, a retired detective tries to figure out how the killings are linked.

After detectives discover a fire chief's dismembered torso in his own barn, they rush to find his wife.

While investigating a missing Oregon handyman, police stumble upon human remains and are left searching a crime scene straight out of a horror movie.

When a young woman finds out that her boyfriend might have shot and killed a college football player out of revenge, she struggles with coming forward to officials, fearing she could lose her life.

The murder of a beloved schoolteacher takes detectives from Kentucky to Florida, where an unexpected romance comes to light; as the investigation unfolds, relationships unravel, and a long con born of greed is unveiled.

After the body of a small-town Mississippi woman is found in her garage and a mystery woman is caught red-handed on scene, police must work to identify a romantic rival obsessed with getting rid of the competition.

A noise complaint turns into a murder investigation for Florida police after they discover a man has been fatally shot in his home; years pass before an unexpected confession will expose a murder-for-hire plot fueled by betrayal and greed.

Letti Strait was found guilty of her ex-husband's murder 12 years after the crime.

An attorney is murdered, and a trail of obsession and jealousy emerges.

A chance for love brings an Oklahoma woman to rural Texas, but her quick disappearance has investigators following a paper trail that will expose the treachery of greed.

After a John Doe's body is found at a Virginia park, investigators track a killer who has a long history of wrongdoing.

Badly burnt human remains recovered in a blazing car fire suggest Clayton Daniels died in a horrible road accident.

When 25-year-old Heidi Firkus is shot dead during a home invasion, a decade-long manhunt for her killer is launched; in most cases, forensic evidence is used to prove what happened, but can it prove what didn't happen to Heidi?

Letti Strait was found guilty of her ex-husband's murder 12 years after the crime.

An attorney is murdered, and a trail of obsession and jealousy emerges.

A chance for love brings an Oklahoma woman to rural Texas, but her quick disappearance has investigators following a paper trail that will expose the treachery of greed.

After a John Doe's body is found at a Virginia park, investigators track a killer who has a long history of wrongdoing.

Investigators from three separate counties along the Floribama border team up with the daughter of a missing man to uncover how the fireworks at a Fourth of July celebration ended in murder.

The owners of an Alabama country store are brutally murdered in their home, and detectives must sort through a maze of bootlegging, gambling and family secrets to uncover the killer.

After Hurricane Ivan tears through the Floribama region, the discovery of a body in a burnt-out home in Chunchula, Alabama, launches an investigation that reveals an unexpected evil in the community.

In tiny Beulah, Florida, security video from the home of a couple known for taking in special needs children contains clues investigators must decipher to learn who targeted the parents for murder and executed them in front of their eight kids.

A single mother gets along with her handyman neighbor, until she gets a new man in her life and her neighbor adopts more than 50 dogs; accusations become threats, threats become attacks and, eventually, the conflict reaches a bloody conclusion.

Leaphorn's niece celebrates her Kinaaldá as Leaphorn retrieves the bodies of the murder victims; Manuelito and Chee investigate the whereabouts of the missing Mormon family.

Leaphorn suspects all of the crimes on the reservation are related; there is a big break in the case; Leaphorn invites Chee over for dinner; Manuelito makes a discovery of her own.

Investigators from three separate counties along the Floribama border team up with the daughter of a missing man to uncover how the fireworks at a Fourth of July celebration ended in murder.

The owners of an Alabama country store are brutally murdered in their home, and detectives must sort through a maze of bootlegging, gambling and family secrets to uncover the killer.

After Hurricane Ivan tears through the Floribama region, the discovery of a body in a burnt-out home in Chunchula, Alabama, launches an investigation that reveals an unexpected evil in the community.

In tiny Beulah, Florida, security video from the home of a couple known for taking in special needs children contains clues investigators must decipher to learn who targeted the parents for murder and executed them in front of their eight kids.

A single mother gets along with her handyman neighbor, until she gets a new man in her life and her neighbor adopts more than 50 dogs; accusations become threats, threats become attacks and, eventually, the conflict reaches a bloody conclusion.

Leaphorn's niece celebrates her Kinaaldá as Leaphorn retrieves the bodies of the murder victims; Manuelito and Chee investigate the whereabouts of the missing Mormon family.

Leaphorn suspects all of the crimes on the reservation are related; there is a big break in the case; Leaphorn invites Chee over for dinner; Manuelito makes a discovery of her own.

A police officer discovers his young wife with a fatal gunshot wound from his service weapon and her death is ruled a suicide; investigators uncover a shocking story.

A husband discovers his wife face down in their bathtub; her death appears to be an accident, but questions are raised about how she drowned.

Police search for the killer of an elderly upscale Toronto couple.

The largest police investigation of the decade lasted 23 days to catch a sniper who terrorized Washington, D. C. residents.

A pastor places a frantic call and pleads for help to save his fiancée, who, he says, just shot herself, but as investigators look closer at the crime scene, a darker side to this happy relationship stuns everyone.

Investigators uncover a web of lies a decade after a couple's romantic evening atop Rockefeller Lookout in New Jersey ends with the wife's tragic death.

Investigators from three separate counties along the Floribama border team up with the daughter of a missing man to uncover how the fireworks at a Fourth of July celebration ended in murder.

The owners of an Alabama country store are brutally murdered in their home, and detectives must sort through a maze of bootlegging, gambling and family secrets to uncover the killer.

After Hurricane Ivan tears through the Floribama region, the discovery of a body in a burnt-out home in Chunchula, Alabama, launches an investigation that reveals an unexpected evil in the community.

In tiny Beulah, Florida, security video from the home of a couple known for taking in special needs children contains clues investigators must decipher to learn who targeted the parents for murder and executed them in front of their eight kids.

In an apartment building, two young couples walk around on eggshells because of a neighbor who can't stand one couple's music and the other's dog, then all hell breaks loose, and a violent rampage ensues.

Two California men are at each other's throats over access to a disputed road, and things progress from intimidation and property damage to one of the most shocking murders the area has ever seen.

Bereaved over the loss of their son, a couple is thrilled when a family with two boys moves in across the street; however, the relationship soon sours, engulfing all of them in a conflict that ends in a deadly shooting.

A police officer discovers his young wife with a fatal gunshot wound from his service weapon and her death is ruled a suicide; investigators uncover a shocking story.

A husband discovers his wife face down in their bathtub; her death appears to be an accident, but questions are raised about how she drowned.

When a newlywed couple is shot in their North Carolina home, leaving the husband dead, investigators must determine if it's a robbery gone wrong or something more sinister; as the evidence piles up, it reveals a jealous lover hiding in plain sight.

A gunman ambushes a striving real-estate mogul in his Arkansas home, shooting the young father between the eyes at close range.

A pastor places a frantic call and pleads for help to save his fiancée, who, he says, just shot herself, but as investigators look closer at the crime scene, a darker side to this happy relationship stuns everyone.

Investigators uncover a web of lies a decade after a couple's romantic evening atop Rockefeller Lookout in New Jersey ends with the wife's tragic death.

A police officer discovers his young wife with a fatal gunshot wound from his service weapon and her death is ruled a suicide; investigators uncover a shocking story.

A husband discovers his wife face down in their bathtub; her death appears to be an accident, but questions are raised about how she drowned.

A gunman ambushes a striving real-estate mogul in his Arkansas home, shooting the young father between the eyes at close range.

The largest police investigation of the decade lasted 23 days to catch a sniper who terrorized Washington, D. C. residents.

When a newlywed couple is shot in their North Carolina home, leaving the husband dead, investigators must determine if it's a robbery gone wrong or something more sinister; as the evidence piles up, it reveals a jealous lover hiding in plain sight.

A serial killer in Spokane, Wash. murders prostitutes and leaves a bag with a smiley face on the victim's head.

When a young Texas father is abducted without a trace and later found murdered, Titus County investigators follow a trail of cellphone records and internet history to reveal a dangerous conspiracy fueled by a manipulative mastermind.

In Dayton, Ohio, a woman welcomes a young family when they move into the long-derelict house next door, then escalating fights over pets and children lead to a deadly confrontation.

A serial killer in Spokane, Wash. murders prostitutes and leaves a bag with a smiley face on the victim's head.

An industrious woman and an ambitious man buy adjoining houses, intending to restore the derelict properties to their former glory, but when one of the renovations falls behind, it leads to conflict and murder.

In Dayton, Ohio, a woman welcomes a young family when they move into the long-derelict house next door, then escalating fights over pets and children lead to a deadly confrontation.

A serial killer in Spokane, Wash. murders prostitutes and leaves a bag with a smiley face on the victim's head.

Investigators must determine if they are looking for professional killer, or if they are being told lies from someone in the victim's inner circle, when a Tennessee man who was rumored to have connections with the mob is murdered.

An in-depth look at the journalists who exposed the dangers of cult leader Reverend Jim Jones; interviews with witnesses to murders carried out by Jones' followers.

A serial killer in Spokane, Wash. murders prostitutes and leaves a bag with a smiley face on the victim's head.

An industrious woman and an ambitious man buy adjoining houses, intending to restore the derelict properties to their former glory, but when one of the renovations falls behind, it leads to conflict and murder.

Investigators must determine if they are looking for professional killer, or if they are being told lies from someone in the victim's inner circle, when a Tennessee man who was rumored to have connections with the mob is murdered.

When a young Texas father is abducted without a trace and later found murdered, Titus County investigators follow a trail of cellphone records and internet history to reveal a dangerous conspiracy fueled by a manipulative mastermind.

When Ohio mother Heather Bogle goes missing, a detective identifies multiple suspects, until he himself comes under scrutiny for his investigation.

A young mother's life is threatened by her ex-husband as their relationship turns deadly; with the determination of one officer and the help of unlikely informants, a relentless murder plot is uncovered that only an undercover operation can stop.

When a twenty-year-old artist is discovered dead in a suitcase across state lines, detectives must uncover the dark truth behind an obsessive lover's deadly actions.

An in-depth look at the journalists who exposed the dangers of cult leader Reverend Jim Jones; interviews with witnesses to murders carried out by Jones' followers.

Investigators must determine if they are looking for professional killer, or if they are being told lies from someone in the victim's inner circle, when a Tennessee man who was rumored to have connections with the mob is murdered.

When a young Texas father is abducted without a trace and later found murdered, Titus County investigators follow a trail of cellphone records and internet history to reveal a dangerous conspiracy fueled by a manipulative mastermind.

When Ohio mother Heather Bogle goes missing, a detective identifies multiple suspects, until he himself comes under scrutiny for his investigation.

A young mother's life is threatened by her ex-husband as their relationship turns deadly; with the determination of one officer and the help of unlikely informants, a relentless murder plot is uncovered that only an undercover operation can stop.

When a twenty-year-old artist is discovered dead in a suitcase across state lines, detectives must uncover the dark truth behind an obsessive lover's deadly actions.

Officials look to state-of-the-art DNA analysis to help capture a serial killer in the Louisiana State University area of Baton Rouge.

When the loving wife of a Vietnam veteran is found dead in a highway commuter lot, Missouri detectives work to chase down the mastermind of a twisted murder-for-hire plot.

A single mother of four children finds the perfect house in New Orleans, then a robbery at a neighbor's home leads to a misunderstanding, then to paranoia, conflict and bloodshed.

Officials look to state-of-the-art DNA analysis to help capture a serial killer in the Louisiana State University area of Baton Rouge.

A decorated police officer relies on his neighbors to help him take care of his beloved daughter, then she accuses one of them of molesting her, and all hell breaks loose.

A single mother of four children finds the perfect house in New Orleans, then a robbery at a neighbor's home leads to a misunderstanding, then to paranoia, conflict and bloodshed.

Officials look to state-of-the-art DNA analysis to help capture a serial killer in the Louisiana State University area of Baton Rouge.

After a soon-to-be-wed scrapyard owner is killed, Texas detectives must chase down every lead and conduct hundreds of interviews in order to find the truth hidden behind lies, betrayal and broken hearts.

A popular high school student is found murdered in her bed; two students help police solve the case.

Officials look to state-of-the-art DNA analysis to help capture a serial killer in the Louisiana State University area of Baton Rouge.

A decorated police officer relies on his neighbors to help him take care of his beloved daughter, then she accuses one of them of molesting her, and all hell breaks loose.

After a soon-to-be-wed scrapyard owner is killed, Texas detectives must chase down every lead and conduct hundreds of interviews in order to find the truth hidden behind lies, betrayal and broken hearts.

When the loving wife of a Vietnam veteran is found dead in a highway commuter lot, Missouri detectives work to chase down the mastermind of a twisted murder-for-hire plot.

Two young girls in Washington are snatched in broad daylight while riding their bikes; the case goes unsolved for decades, until a new detective with a local connection to the story tries to solve the mystery.

The disappearance of a woman sends her neighbors and loved ones into a tailspin, but the search for answers leads investigators through three states with a dramatic conclusion no one saw coming.

The Viper Room was a refuge for Young Hollywood to hide from the prying eyes of the press, until one fateful night when the death of a rising star instantly made it headline news.

In 1999, Owen Hart falls 80 feet to his death in a stunt that goes tragically wrong; Owen's widow, Martha, bravely relives her husband's final day and reveals the mistakes that took his life.

A popular high school student is found murdered in her bed; two students help police solve the case.

After a soon-to-be-wed scrapyard owner is killed, Texas detectives must chase down every lead and conduct hundreds of interviews in order to find the truth hidden behind lies, betrayal and broken hearts.

When the loving wife of a Vietnam veteran is found dead in a highway commuter lot, Missouri detectives work to chase down the mastermind of a twisted murder-for-hire plot.

Two young girls in Washington are snatched in broad daylight while riding their bikes; the case goes unsolved for decades, until a new detective with a local connection to the story tries to solve the mystery.

The disappearance of a woman sends her neighbors and loved ones into a tailspin, but the search for answers leads investigators through three states with a dramatic conclusion no one saw coming.

The Viper Room was a refuge for Young Hollywood to hide from the prying eyes of the press, until one fateful night when the death of a rising star instantly made it headline news.

In 1999, Owen Hart falls 80 feet to his death in a stunt that goes tragically wrong; Owen's widow, Martha, bravely relives her husband's final day and reveals the mistakes that took his life.

Investigating a series of fires in California's Sam Joaquin Valley that killed four, investigators determine a respected arson investigator may be the arsonist.

When an Oklahoma teen finds her mother and father murdered in their family home, detectives uncover bizarre photos and use new technology to reveal a dynamic duo at the center of the heinous crime.

In New Brighton, Minn., two neighbors get along great until one of them catches Lyme Disease from the deer the other feeds on his property, then the ensuing blame game leads to rising hostility and ends in gunfire.

Investigating a series of fires in California's Sam Joaquin Valley that killed four, investigators determine a respected arson investigator may be the arsonist.

In an apartment building, two young couples walk around on eggshells because of a neighbor who can't stand one couple's music and the other's dog, then all hell breaks loose, and a violent rampage ensues.

In New Brighton, Minn., two neighbors get along great until one of them catches Lyme Disease from the deer the other feeds on his property, then the ensuing blame game leads to rising hostility and ends in gunfire.

Investigating a series of fires in California's Sam Joaquin Valley that killed four, investigators determine a respected arson investigator may be the arsonist.

The abrupt disappearance of a Colorado rancher prompts concerned friends to press investigators to dig up the truth hidden beneath his ranch's calm exterior.

A murder case considered closed by North Dakota detectives is suddenly reopened when a confidential informant comes forward with a tip about an unlikely suspect.

Investigating a series of fires in California's Sam Joaquin Valley that killed four, investigators determine a respected arson investigator may be the arsonist.

In an apartment building, two young couples walk around on eggshells because of a neighbor who can't stand one couple's music and the other's dog, then all hell breaks loose, and a violent rampage ensues.

The abrupt disappearance of a Colorado rancher prompts concerned friends to press investigators to dig up the truth hidden beneath his ranch's calm exterior.

When an Oklahoma teen finds her mother and father murdered in their family home, detectives uncover bizarre photos and use new technology to reveal a dynamic duo at the center of the heinous crime.

When a young woman fails to show up to work and her mother rushes to her home to try to find her, what she discovers begins an investigation that leads to a suspect no one imagined.

The murders of two young women near a Phoenix canal remain unsolved for more than 20 years until a team of cold case detectives take on the case and investigate a man known as the Zombie Hunter.

Mexican drug lord El Chapo evades authorities for over a decade, but one man is determined to catch the kingpin; former DEA agent Andrew Hogan comes out of the shadows to detail his search and capture with never-before-seen videos and photographs.

A murder case considered closed by North Dakota detectives is suddenly reopened when a confidential informant comes forward with a tip about an unlikely suspect.

The abrupt disappearance of a Colorado rancher prompts concerned friends to press investigators to dig up the truth hidden beneath his ranch's calm exterior.

When an Oklahoma teen finds her mother and father murdered in their family home, detectives uncover bizarre photos and use new technology to reveal a dynamic duo at the center of the heinous crime.

When a young woman fails to show up to work and her mother rushes to her home to try to find her, what she discovers begins an investigation that leads to a suspect no one imagined.

The murders of two young women near a Phoenix canal remain unsolved for more than 20 years until a team of cold case detectives take on the case and investigate a man known as the Zombie Hunter.

Mexican drug lord El Chapo evades authorities for over a decade, but one man is determined to catch the kingpin; former DEA agent Andrew Hogan comes out of the shadows to detail his search and capture with never-before-seen videos and photographs.

Investigators work to solve a double homicide in the small town of Hudson, Wisc.

Detectives track down leads from rival biker clubs and scorned lovers to uncover the truth when a beloved biker is found shot to death in his Pennsylvania apartment.

Two California men are at each other's throats over access to a disputed road, and things progress from intimidation and property damage to one of the most shocking murders the area has ever seen.

Investigators work to solve a double homicide in the small town of Hudson, Wisc.

Bereaved over the loss of their son, a couple is thrilled when a family with two boys moves in across the street; however, the relationship soon sours, engulfing all of them in a conflict that ends in a deadly shooting.

Two California men are at each other's throats over access to a disputed road, and things progress from intimidation and property damage to one of the most shocking murders the area has ever seen.

Investigators work to solve a double homicide in the small town of Hudson, Wisc.

An Alabama trucker is found shot in his home on the same day his wife is giving birth.

When a soldier who just returned from Afghanistan is gunned down on the side of the road in Kentucky; detectives quickly uncover a secret that could solve the case.

Investigators work to solve a double homicide in the small town of Hudson, Wisc.

Bereaved over the loss of their son, a couple is thrilled when a family with two boys moves in across the street; however, the relationship soon sours, engulfing all of them in a conflict that ends in a deadly shooting.

An Alabama trucker is found shot in his home on the same day his wife is giving birth.

Detectives track down leads from rival biker clubs and scorned lovers to uncover the truth when a beloved biker is found shot to death in his Pennsylvania apartment.

Investigators didn't know if Kathy Heckel was a missing person or murder victim; decades later the case is reopened by a new detective.