When a crimespree leaves five dead, South Carolina authorities kickstart a multi-state investigation to capture a desperate couple on the run; the case grows more complicated whenpolice are faced with conflicting accounts of the murders.

A man stumbles on a body in a neighbor's garage and Detroit police hope the victim's tattoo will help identify the victim and point them toward the killer.

After a young mother is murdered in broad daylight, Texas authorities are on a hunt for a masked gunman; the ensuing investigation uncovers a bitter custody battle and a vicious plot born of obsession.

Explore the little-known story of Doug Gretzler, who murdered 17 people in just three weeks; through first-person interviews and 500+ hours of taped confessions, this series reveals his darkest truths and the disturbing psychology behind his crimes.

A welfare check confirms the worst when a woman is found brutally murdered on her couch; the ensuing investigation leads authorities from Oklahoma to Arkansas where conflicting stories of a crime motivated by greed and jealousy are uncovered.

When a missing man's bullet-riddled body is found off the side of a road, police must dig into his complicated past to uncover the truth; the case hits a standstill until information about the victim's car comes to light and reveals a toxic romance.

A man stumbles on a body in a neighbor's garage and Detroit police hope the victim's tattoo will help identify the victim and point them toward the killer.

When a shocking crime is committed in broad daylight that leaves a young man dead on the street, the investigation uncovers a personal vendetta; in exclusive prison interviews, the killer couple each share their version of events.

After a young woman vanishes from her neighborhood, North Carolina detectives are snared in a tangled web of deceit as they uncover a vicious love triangle; it's a race against time to find a killer and the evidence they need to solve a dark mystery.

Exploring the past of the con man "Dirty" John Meehan and his trail of manipulation that led to a dangerous end with Debra Newell and her family; exclusive interviews with former girlfriends and law enforcement who speak out for the first time.

When a long held secret in Florida threatens to expose a deadly truth, investigators work to unravel a baffling mystery; the dark life of a beloved mother may have put her in danger; a husband's desperate pleas may be the key to solving the case.

Young mother Heyzel Obando is shot to death in her home, and it will take old-school interrogation skills to catch the killer and bring justice to her grieving mother.

Twenty-seven-year-old Egypt Covington is found murdered in her home; investigators in Michigan quickly identify a person of interest but years pass without an arrest.

Twenty-seven-year-old Egypt Covington is found murdered in her home; investigators in Michigan quickly identify a person of interest but years pass without an arrest.

A matriarch's death leads to a prominent family from Texas being torn apart by decades of betrayal, greed and mistrust.

Campus cops make a terrible discovery in a dorm room after a boyfriend's weekend visit goes horribly wrong.

A girl's recovery from a gunshot wound inspires the community to get her justice.

Social climbers get remarried and blend their families; then, a mysterious disappearance leads investigators into a top-secret world of espionage, and a killer escapes justice for nearly a decade.

A story of obsession that boils over into a brutal crime which takes years to bring to trial and the verdict is far from the end of the case.

College sweethearts celebrate their love with a happily-ever-after wedding; within months, their fairytale marriage ends with bloodshed igniting a hunt for a charming and manipulative killer who may just get away with it.

New interviews with insiders reveal how career criminal Charles Manson convinced his followers to kill innocent victims and deliver him the fame he craved.

Fifty years after the infamous Manson Family murders, a look at the trail of the women who blindly followed Charles Manson; including new and exclusive interviews.

A teenage Romeo and Juliet defy family differences to marry and have a baby boy, but their joy is shattered when violence rips the family apart; decades later, the cold case gets a lead that reveals deep family secrets and a web of lies.

An Ozarks country wedding brings hope and second chances to a Christian couple; but friends and family are mystified when they vanish in the dead of night from a farmhouse that had been given to them by the groom's mother.

An investigation into the disappearance of an Iowa mother sends police in two states on a wild journey, during which they encounter a volatile love triangle, stolen identity, arson, and a relentless stalker.

A housewife turned porn star teams up with her co-star to commit murder after a wild sex party.

The peaceful life of a retired North Carolina couple is shattered when a husband's body is found in his own garage, leaving investigators to sort out fact from fiction with the help of his wife.

An evangelical housewife and a former child star devise a scandalous murder plot.

A churchgoing southern woman loses her husband to tragedy, but a cloud of suspicion haunts her new marriage and leads investigators to a new conclusion.

Two young lovers embark on a psychedelic road trip inspired by their favorite movie.

After a bizarre account of suspected false identity is reported, authorities uncover a long history of an evasive criminal and launch a nationwide hunt to catch a killer who uses Southern charm as a weapon of deception.

A prison guard falls in love with an inmate and finds herself willing to do anything to make him happy.

In the 1970s, Ted Bundy murders at least 36 young women; glamorized as a handsome, well-educated killer who outsmarted the law, Bundy may have been an evil genius or a con artist posing as privileged to hide the monster in plain sight.

The story of two teenage lovers who, like Romeo and Juliet, made plans to commit suicide together; first, though, they had another life to take.

The dark side of two former honor students.

As notorious serial killer Ted Bundy awaited execution, he exchanged chilling letters with the woman he loved like a sister; now she finally reveals the untold story of the letters, and her harrowing journey with the man she discovered was a monster.

Police wonder if there's more than meets the eye between a young newlywed and her openly gay co-worker.

An affair between a wealthy doctor's wife and a younger bad boy ends in violence.

After South Carolina authorities locate a burned and abandoned vehicle, they are led to a brutal crime scene at a local church leader's home. Their small community is divided when an unforeseen perpetrator is found responsible.

A man stumbles on a body in a neighbor's garage and Detroit police hope the victim's tattoo will help identify the victim and point them toward the killer.

As notorious serial killer Ted Bundy awaited execution, he exchanged chilling letters with the woman he loved like a sister; now she finally reveals the untold story of the letters, and her harrowing journey with the man she discovered was a monster.

Explore the little-known story of Doug Gretzler, who murdered 17 people in just three weeks; through first-person interviews and 500+ hours of taped confessions, this series reveals his darkest truths and the disturbing psychology behind his crimes.

Dr. Al Carlisle's descent into the violent mind begins by chance, when he's asked to run a psychological evaluation on a man who will go on to become one of America's most infamous serial killers: Theodore Robert Bundy.

A man stumbles on a body in a neighbor's garage and Detroit police hope the victim's tattoo will help identify the victim and point them toward the killer.

Dr. Carlisle's evaluation of Ted Bundy is over, but his work on the notorious serial killer has just begun; as Dr. Carlisle develops his theory of the development of the violent mind, Bundy escapes from prison and goes on a murderous rampage.

After a young woman vanishes from her neighborhood, North Carolina detectives are snared in a tangled web of deceit as they uncover a vicious love triangle; it's a race against time to find a killer and the evidence they need to solve a dark mystery.

In an exclusive interview, Emma Coronel, wife of drug lord Joaquín "El Chapo" Guzmán, reveals the seduction and danger of life with a criminal mastermind, while confronting the ugliest truths of his actions and grappling with her own accountability.

When a long held secret in Florida threatens to expose a deadly truth, investigators work to unravel a baffling mystery; the dark life of a beloved mother may have put her in danger; a husband's desperate pleas may be the key to solving the case.

Young mother Heyzel Obando is shot to death in her home, and it will take old-school interrogation skills to catch the killer and bring justice to her grieving mother.

A group of women help bring down a smooth talking serial predator turned killer who lured young women with promises of fame and fortune.

A group of women help bring down a smooth talking serial predator turned killer who lured young women with promises of fame and fortune.

When Bonnie Craig was found dead, police collected DNA, but it didn't match anyone in the system; 12 years later there is a hit, but the man is thousands of miles away and, as it turns out, prosecutors need more than DNA to convict a killer.

An entire region is on edge in April 1988 after college students Cassandra Hailey and Keith Call go missing from a lovers' lane area in northern Virginia.

A man is shot and killed while picking up his daughter for a court-ordered visit.

When Annamaria Phelps and Daniel Lauer turn up dead in a lovers' lane area close to the Colonial Parkway in northern Virginia, many in law enforcement are convinced that this fourth double homicide in three years is the work of a serial killer.

Survivors of the Westgate Mall attack in Nairobi, Kenya, share their stories.

A third grader wakes up to a nightmare, finding his mother stabbed nearly 40 times in her bed; the police suspect those closest to her as their investigation uncovers the shocking evil that crept inside her house that night.

A story of obsession that boils over into a brutal crime which takes years to bring to trial and the verdict is far from the end of the case.

A young teacher's assistant is raped and fatally shot in the middle of the night; her roommate, awakened by the noise, calls 911 and reports it as a suicide, beginning an intriguing mystery of motive, heartbreak and a tragic discovery.

New interviews with insiders reveal how career criminal Charles Manson convinced his followers to kill innocent victims and deliver him the fame he craved.

In small-town Arkansas, as his wife sleeps nearby, a larger-than-life personality is silenced when a killer fires a single bullet into his head; suspects include the victim's wife and a jealous neighbor.

Fifty years after the infamous Manson Family murders, a look at the trail of the women who blindly followed Charles Manson; including new and exclusive interviews.

A yearslong investigation into the killer of Johnia Berry, who is stabbed more than 22 times in her Knoxville, Tenn., bedroom while her male roommate escapes.

An investigation into the disappearance of an Iowa mother sends police in two states on a wild journey, during which they encounter a volatile love triangle, stolen identity, arson, and a relentless stalker.

The peaceful life of a retired North Carolina couple is shattered when a husband's body is found in his own garage, leaving investigators to sort out fact from fiction with the help of his wife.

A churchgoing southern woman loses her husband to tragedy, but a cloud of suspicion haunts her new marriage and leads investigators to a new conclusion.

After a bizarre account of suspected false identity is reported, authorities uncover a long history of an evasive criminal and launch a nationwide hunt to catch a killer who uses Southern charm as a weapon of deception.

In the 1970s, Ted Bundy murders at least 36 young women; glamorized as a handsome, well-educated killer who outsmarted the law, Bundy may have been an evil genius or a con artist posing as privileged to hide the monster in plain sight.

A beloved pediatric doctor is beaten and drowned in his own home; when detectives surveil a suspect, the waters are muddied by lies, suspects on the run, and an international manhunt.

All leads run dry after a former film star is found shot to death in his home, but as investigators continue hunting down a suspect, they learn that this Hollywood drama has more twists and turns than any blockbuster hit.

As notorious serial killer Ted Bundy awaited execution, he exchanged chilling letters with the woman he loved like a sister; now she finally reveals the untold story of the letters, and her harrowing journey with the man she discovered was a monster.

As notorious serial killer Ted Bundy awaited execution, he exchanged chilling letters with the woman he loved like a sister; now she finally reveals the untold story of the letters, and her harrowing journey with the man she discovered was a monster.

After South Carolina authorities locate a burned and abandoned vehicle, they are led to a brutal crime scene at a local church leader's home. Their small community is divided when an unforeseen perpetrator is found responsible.

The abrupt disappearance of a Henderson, Nev., husband and father of five brings to light accusations of infidelity and cover-ups over a two-year hunt for evidence and truth.

As notorious serial killer Ted Bundy awaited execution, he exchanged chilling letters with the woman he loved like a sister; now she finally reveals the untold story of the letters, and her harrowing journey with the man she discovered was a monster.

An investigation quickly turns cold in rural Tennessee when the body of a small-town farmer and businessman is found near a trash pile; the case is reopened 25 years later, hoping advances in technology will finally help close this cold case.

After a father's life is tragically cut short in a car accident, the events that follow force Ohio investigators to race against the clock to prevent a murder-for-hire plot before it's too late.

Dr. Al Carlisle's descent into the violent mind begins by chance, when he's asked to run a psychological evaluation on a man who will go on to become one of America's most infamous serial killers: Theodore Robert Bundy.

The case of a beloved Kenosha social worker's murder resurfaces nearly a decade after leads run dry when an odd call from another state reveals the gruesome truth about a vengeful pack of killers.

Dr. Carlisle's evaluation of Ted Bundy is over, but his work on the notorious serial killer has just begun; as Dr. Carlisle develops his theory of the development of the violent mind, Bundy escapes from prison and goes on a murderous rampage.

A man stumbles on a body in a neighbor's garage and Detroit police hope the victim's tattoo will help identify the victim and point them toward the killer.

In an exclusive interview, Emma Coronel, wife of drug lord Joaquín "El Chapo" Guzmán, reveals the seduction and danger of life with a criminal mastermind, while confronting the ugliest truths of his actions and grappling with her own accountability.

Twenty-year-old Tiffanie Adams is eight months pregnant when she suddenly disappears; to solve the mystery, police must expose toxic relationships and deadly secrets.

A family begins a relentless pursuit of justice after the death of Nevada attorney Susan Winters is ruled a suicide; Susan's parents open up about the seven-year case and their efforts to push back against the criminal justice system.

A family begins a relentless pursuit of justice after the death of Nevada attorney Susan Winters is ruled a suicide; Susan's parents open up about the seven-year case and their efforts to push back against the criminal justice system.

Debbie Hawk's three children arrive home to find their mother missing, with blood throughout the house; investigating who did this and why.

Houston police search for a serial killer preying on young women until a local man's DNA finally reveals the culprit; upon his arrest, the killer's sister and daughter learn his true identity.

An entire region is on edge in April 1988 after college students Cassandra Hailey and Keith Call go missing from a lovers' lane area in northern Virginia.

The ex-girlfriend of the self-proclaimed Crossbow Cannibal reveals the mental and physical abuse she endured for years at the hands of one of the U.K.'s most heinous serial killers.

When Annamaria Phelps and Daniel Lauer turn up dead in a lovers' lane area close to the Colonial Parkway in northern Virginia, many in law enforcement are convinced that this fourth double homicide in three years is the work of a serial killer.

The youngest son of a church-going family man finally learns the truth about his father when the man's second wife is found dead in their hot tub, and police look back at the suspicious drowning death of his first wife.

A third grader wakes up to a nightmare, finding his mother stabbed nearly 40 times in her bed; the police suspect those closest to her as their investigation uncovers the shocking evil that crept inside her house that night.

In the 1990s, New York is on edge as a killer leaves coded clues at crime scenes and declares his compulsion to choose victims by their birth signs.

A young teacher's assistant is raped and fatally shot in the middle of the night; her roommate, awakened by the noise, calls 911 and reports it as a suicide, beginning an intriguing mystery of motive, heartbreak and a tragic discovery.

A rash of young men goes missing around Chicago during the 1970s; when bodies start washing up in the river, a pattern emerges; a small piece of evidence leads police to the home of a model citizen, where his furnace puts the suspect in the hot seat.

In small-town Arkansas, as his wife sleeps nearby, a larger-than-life personality is silenced when a killer fires a single bullet into his head; suspects include the victim's wife and a jealous neighbor.

Police find a string of murdered women in shallow graves in very remote areas of the Alaskan wilderness; after months of searching, police zero in on a local family man living a double life that no one suspects.

A yearslong investigation into the killer of Johnia Berry, who is stabbed more than 22 times in her Knoxville, Tenn., bedroom while her male roommate escapes.

When a new inmate at the Utah State Prison claims he cannot remember the crime that sent him to prison, Dr. Carlisle's experiments with hypnosis reveal a violent alternate personality hidden just beneath the surface.

After small-town newlyweds are found gunned down next to their car, Georgia detectives start a multistate investigation and discover just how far a criminal trio will go to prove itself.

Dr. Carlisle discovers a surprising link between the traumas of war and the development of the violent mind when he interviews a Vietnam War veteran turned killer.

Oklahoma detectives must untangle a twisted love triangle to discover the truth after a young man is shot in his own home.

Dr. Al Carlisle's descent into the violent mind begins by chance, when he's asked to run a psychological evaluation on a man who will go on to become one of America's most infamous serial killers: Theodore Robert Bundy.

An ordinary August day turns into a nightmare for the Bakersfield community when a local father is found murdered in a field; police are led down an unusual trail of evidence, leading to a killer caught on camera.

Dr. Carlisle's evaluation of Ted Bundy is over, but his work on the notorious serial killer has just begun; as Dr. Carlisle develops his theory of the development of the violent mind, Bundy escapes from prison and goes on a murderous rampage.

When a young, father-to-be is found murdered in his front yard in Florida, investigators chase down multiple leads and track a trail of deceit to bring a jealous killer to justice.

As notorious serial killer Ted Bundy awaited execution, he exchanged chilling letters with the woman he loved like a sister; now she finally reveals the untold story of the letters, and her harrowing journey with the man she discovered was a monster.

When the body of a young man is discovered burned beyond recognition, Alabama authorities sift through evidence to track down the unlikely couple at the center of this heinous crime.

A beloved pediatric doctor is beaten and drowned in his own home; when detectives surveil a suspect, the waters are muddied by lies, suspects on the run, and an international manhunt.

Police launch a search for a killer after a teenager returns home to find his father's body in a pool of blood.

All leads run dry after a former film star is found shot to death in his home, but as investigators continue hunting down a suspect, they learn that this Hollywood drama has more twists and turns than any blockbuster hit.

Pathologist examining the death of a politician who was running for re-election finds tiny puncture wounds at the autopsy.

A Naval officer who threatened to go public with tales of on-the-job sexual harassment and assault is brutally murdered, but when investigators find the allegations could be part of an elaborate scheme for money, they turn to forensic science.

As notorious serial killer Ted Bundy awaited execution, he exchanged chilling letters with the woman he loved like a sister; now she finally reveals the untold story of the letters, and her harrowing journey with the man she discovered was a monster.

A man is found stabbed to death after a night in a strip club; a drop of blood on a bedspread becomes critical evidence five years later.

After police identify a murder victim thanks to her butterfly necklace, they discover several co-workers had vendettas against the victim.

The brutal murder of a construction site foreman looks like the work of a disgruntled employee, but forensic science points to an unlikely suspect.

A shooting victim mutters the name of her apparent assailant before dying, but fingerprint comparisons, handwriting analysis, ballistics and DNA testing show someone else close to home is the true killer.

The abrupt disappearance of a Henderson, Nev., husband and father of five brings to light accusations of infidelity and cover-ups over a two-year hunt for evidence and truth.

A woman's story seemed far fetched; she tells investigators that a man broke into her home wearing only underwear and gloves, killed her boyfriend and raped and terrorized her.

After a Delaware man's mother is found dead, he tells a story that's so improbable police think it can't possibly be true.

An investigation quickly turns cold in rural Tennessee when the body of a small-town farmer and businessman is found near a trash pile; the case is reopened 25 years later, hoping advances in technology will finally help close this cold case.

A family vacation turns into a terrifying search for a missing wife and baby, then becomes a manhunt for a killer who committed a horrific crime.

After a father's life is tragically cut short in a car accident, the events that follow force Ohio investigators to race against the clock to prevent a murder-for-hire plot before it's too late.

A DNA dragnet catches a killer eight years after the kidnapping, rape and murder of a college coed in Oklahoma.

A nosy neighbor with a disturbing obsession becomes a suspect in a woman's murder at an upscale apartment complex; police discover an incredible link to an unrelated murder thousands of miles away.

The case of a beloved Kenosha social worker's murder resurfaces nearly a decade after leads run dry when an odd call from another state reveals the gruesome truth about a vengeful pack of killers.

A college student turns up dead and her boyfriend becomes a prime suspect when blood splatters are discovered on his wall.

Texas police hunt frantically for a brutal rapist. No one knows where he'll strike next, but given the increasingly violent nature of his crimes, he must be found soon.

A man stumbles on a body in a neighbor's garage and Detroit police hope the victim's tattoo will help identify the victim and point them toward the killer.

Lies, deception and a love triangle lead to the murder of a wealthy American on a road in Mexico.

Twenty-year-old Tiffanie Adams is eight months pregnant when she suddenly disappears; to solve the mystery, police must expose toxic relationships and deadly secrets.

When a young Marine goes missing, NCIS agents uncover a tragic mystery that stuns a Virginia Beach naval base; an online love affair results in the murder of an innocent victim.

A death in the military occurs thousands of miles from the battlefield as a dedicated military man who survived war zones becomes caught in the crossfire of a lover's triangle.

Four years after a 28-year-old dies after hosting a New Year's Eve party, a jury must decide if it was suicide or murder.

Co-lead investigator in the Steven Avery case Tom Fassbender discusses the case and allegations investigators coerced Avery's nephew, Brendan Dassey, into making a false confession.

After a teenage son reports his family shot and stabbed to death, police discover the dead father's prior law enforcement ties made a revenge killing likely; however, as investigators delve deeper, they realize the murders are much more personal.

Houston police search for a serial killer preying on young women until a local man's DNA finally reveals the culprit; upon his arrest, the killer's sister and daughter learn his true identity.

When three generations of a family are murdered inside their Bakersfield home, police find their main suspect was over 2,000 miles away at the time; it will take the combined efforts of law enforcement and an entomologist to deliver justice.

The ex-girlfriend of the self-proclaimed Crossbow Cannibal reveals the mental and physical abuse she endured for years at the hands of one of the U.K.'s most heinous serial killers.

In a burned-out cabin in Northern California, firefighters find the remains of the Buchanan family; when investigators discover the victims were shot and the fire was set to cover it up, they find the killer hiding in plain sight.

The youngest son of a church-going family man finally learns the truth about his father when the man's second wife is found dead in their hot tub, and police look back at the suspicious drowning death of his first wife.

A young father is found executed on a desolate roadway; a heated family feud over custody of a child leads investigators to a shocking conspiracy between a drug dealer, a successful lawyer and a family member.

In the 1990s, New York is on edge as a killer leaves coded clues at crime scenes and declares his compulsion to choose victims by their birth signs.

When two women are shot dead in the lobby of a crowded courthouse, investigators find themselves digging into a bizarre custody dispute and bringing them to a determined family that will stop at nothing to get what they want.

A rash of young men goes missing around Chicago during the 1970s; when bodies start washing up in the river, a pattern emerges; a small piece of evidence leads police to the home of a model citizen, where his furnace puts the suspect in the hot seat.

A horrifying hit-and-run leaves two women near death and their families blaming each other; the search for the truth leads detectives on a massive hunt for a father who can't bear to witness his daughter's freedom.

Police find a string of murdered women in shallow graves in very remote areas of the Alaskan wilderness; after months of searching, police zero in on a local family man living a double life that no one suspects.

A man makes a frantic call to 911 after finding his wife dead in a bathtub, but the couple's daughters lead police to investigate their father.

When a new inmate at the Utah State Prison claims he cannot remember the crime that sent him to prison, Dr. Carlisle's experiments with hypnosis reveal a violent alternate personality hidden just beneath the surface.

A story of obsession that boils over into a brutal crime which takes years to bring to trial and the verdict is far from the end of the case.

Dr. Carlisle discovers a surprising link between the traumas of war and the development of the violent mind when he interviews a Vietnam War veteran turned killer.

Aasha Davis moves to Hollywood with big dreams; her sister Lesley follows for support; Lesley goes missing and Aasha is desperate to find her; in a town built on deception, the police come up with a high-stakes plan to smoke out their suspect.

Dr. Al Carlisle's descent into the violent mind begins by chance, when he's asked to run a psychological evaluation on a man who will go on to become one of America's most infamous serial killers: Theodore Robert Bundy.

It is just before Halloween; Joel Lovelien and his fiancé head to a local bar packed with people in costume; Joel steps outside and walks into a troubling mystery.

Dr. Carlisle's evaluation of Ted Bundy is over, but his work on the notorious serial killer has just begun; as Dr. Carlisle develops his theory of the development of the violent mind, Bundy escapes from prison and goes on a murderous rampage.

Keith Reed is a highly-regarded school superintendent; when he doesn't show up at an out-of-town conference, it sets off alarm bells; investigators take a hard look at his love life for clues and make a startling discovery.

As notorious serial killer Ted Bundy awaited execution, he exchanged chilling letters with the woman he loved like a sister; now she finally reveals the untold story of the letters, and her harrowing journey with the man she discovered was a monster.

Kelli Bordeaux is just starting what she hopes to be a long career in the military, but fate has other plans; when she vanishes, friends and family launch a frantic search, but it is a stranger hell-bent on justice who uncovers the ugly truth.

A week before a wealthy banker's divorce was set to reach a settlement, an ex-con says he was hired to murder someone in the family.

Police launch a search for a killer after a teenager returns home to find his father's body in a pool of blood.

Pathologist examining the death of a politician who was running for re-election finds tiny puncture wounds at the autopsy.

A Naval officer who threatened to go public with tales of on-the-job sexual harassment and assault is brutally murdered, but when investigators find the allegations could be part of an elaborate scheme for money, they turn to forensic science.

A man is found stabbed to death after a night in a strip club; a drop of blood on a bedspread becomes critical evidence five years later.

Chilling details come to light in an alleged murder-for-hire plot targeting a former NYC police officer's husband. The officer's ex-boyfriend and other insiders close to the case speak out in their first TV interviews.

After police identify a murder victim thanks to her butterfly necklace, they discover several co-workers had vendettas against the victim.

The brutal murder of a construction site foreman looks like the work of a disgruntled employee, but forensic science points to an unlikely suspect.

A shooting victim mutters the name of her apparent assailant before dying, but fingerprint comparisons, handwriting analysis, ballistics and DNA testing show someone else close to home is the true killer.

A woman's story seemed far fetched; she tells investigators that a man broke into her home wearing only underwear and gloves, killed her boyfriend and raped and terrorized her.

Sandra Galas was born and raised in paradise; police investigate two men in Sandra's life, but the case goes cold; her father refuses to give up, relentlessly pursuing the truth for more than a decade.

After a Delaware man's mother is found dead, he tells a story that's so improbable police think it can't possibly be true.

A family vacation turns into a terrifying search for a missing wife and baby, then becomes a manhunt for a killer who committed a horrific crime.

Chilling details come to light in an alleged murder-for-hire plot targeting a former NYC police officer's husband. The officer's ex-boyfriend and other insiders close to the case speak out in their first TV interviews.

A DNA dragnet catches a killer eight years after the kidnapping, rape and murder of a college coed in Oklahoma.

A nosy neighbor with a disturbing obsession becomes a suspect in a woman's murder at an upscale apartment complex; police discover an incredible link to an unrelated murder thousands of miles away.

A college student turns up dead and her boyfriend becomes a prime suspect when blood splatters are discovered on his wall.

Texas police hunt frantically for a brutal rapist. No one knows where he'll strike next, but given the increasingly violent nature of his crimes, he must be found soon.

Lies, deception and a love triangle lead to the murder of a wealthy American on a road in Mexico.

Detectives believed two young children witnessed the brutal murder of their mother; the prosecution builds their case around what they thought those kids observed, but another version of events may be possible.

When a young Marine goes missing, NCIS agents uncover a tragic mystery that stuns a Virginia Beach naval base; an online love affair results in the murder of an innocent victim.

A story of teens, text messages and a convoluted search for the truth; Conrad Roy, who had shared a secret with someone close to him, had vanished.

After the cause of the death of Stacy Feldman in her Denver home is ruled as undetermined, friends and family join forces to piece together what happened; insiders close to the case speak out about the seven-year battle for justice.

After the cause of the death of Stacy Feldman in her Denver home is ruled as undetermined, friends and family join forces to piece together what happened; insiders close to the case speak out about the seven-year battle for justice.

When a San Antonio man shoots his wife, he claims to have shot her after mistaking her for an intruder.

After a teenage son reports his family shot and stabbed to death, police discover the dead father's prior law enforcement ties made a revenge killing likely; however, as investigators delve deeper, they realize the murders are much more personal.

When three generations of a family are murdered inside their Bakersfield home, police find their main suspect was over 2,000 miles away at the time; it will take the combined efforts of law enforcement and an entomologist to deliver justice.

In a burned-out cabin in Northern California, firefighters find the remains of the Buchanan family; when investigators discover the victims were shot and the fire was set to cover it up, they find the killer hiding in plain sight.

A young father is found executed on a desolate roadway; a heated family feud over custody of a child leads investigators to a shocking conspiracy between a drug dealer, a successful lawyer and a family member.

When two women are shot dead in the lobby of a crowded courthouse, investigators find themselves digging into a bizarre custody dispute and bringing them to a determined family that will stop at nothing to get what they want.

A horrifying hit-and-run leaves two women near death and their families blaming each other; the search for the truth leads detectives on a massive hunt for a father who can't bear to witness his daughter's freedom.

A man makes a frantic call to 911 after finding his wife dead in a bathtub, but the couple's daughters lead police to investigate their father.

A story of obsession that boils over into a brutal crime which takes years to bring to trial and the verdict is far from the end of the case.

Aasha Davis moves to Hollywood with big dreams; her sister Lesley follows for support; Lesley goes missing and Aasha is desperate to find her; in a town built on deception, the police come up with a high-stakes plan to smoke out their suspect.

It is just before Halloween; Joel Lovelien and his fiancé head to a local bar packed with people in costume; Joel steps outside and walks into a troubling mystery.

Keith Reed is a highly-regarded school superintendent; when he doesn't show up at an out-of-town conference, it sets off alarm bells; investigators take a hard look at his love life for clues and make a startling discovery.

Kelli Bordeaux is just starting what she hopes to be a long career in the military, but fate has other plans; when she vanishes, friends and family launch a frantic search, but it is a stranger hell-bent on justice who uncovers the ugly truth.

A week before a wealthy banker's divorce was set to reach a settlement, an ex-con says he was hired to murder someone in the family.

Chilling details come to light in an alleged murder-for-hire plot targeting a former NYC police officer's husband. The officer's ex-boyfriend and other insiders close to the case speak out in their first TV interviews.

Sandra Galas was born and raised in paradise; police investigate two men in Sandra's life, but the case goes cold; her father refuses to give up, relentlessly pursuing the truth for more than a decade.

Chilling details come to light in an alleged murder-for-hire plot targeting a former NYC police officer's husband. The officer's ex-boyfriend and other insiders close to the case speak out in their first TV interviews.

Detectives believed two young children witnessed the brutal murder of their mother; the prosecution builds their case around what they thought those kids observed, but another version of events may be possible.

A story of teens, text messages and a convoluted search for the truth; Conrad Roy, who had shared a secret with someone close to him, had vanished.

After Florida teacher Denise Hallowell is found murdered in her home, investigators examine her family's tumultuous past in their desperate search for a killer; Denise's son Carlos Hallowell sits down for an exclusive interview.

After Florida teacher Denise Hallowell is found murdered in her home, investigators examine her family's tumultuous past in their desperate search for a killer; Denise's son Carlos Hallowell sits down for an exclusive interview.

When a woman kills the man she suspects of being involved in an attack that left her husband dead and her young son wounded, she claims self-defense.