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.

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.

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.

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.

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.

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.

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

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

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

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

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.

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.

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.

He is the serial killer you've never heard of ... until now. In 1973, 22-year-old Doug Gretzler embarked on a cross-country road trip that spiraled into a brutal killing spree. In just three weeks, he and his accomplice, 28-year-old Willie Steelman, murdered 17 people. Their motive? A mystery that has left family members, law enforcement and experts baffled for decades. Drawing from first person interviews and over 500 hours of recorded conversations with Gretzler himself, hear his darkest confessions and the chilling psychology behind his crimes for the very first time.

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 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.

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.

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

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

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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 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.

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.

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.

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.

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

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.

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.

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.

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.

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.

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.

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 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.

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 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.

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.

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.

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.

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 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.

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.

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.

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.

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.

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.

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 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.

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.

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.

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.

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.

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.

Happy newlyweds renovate a house for their future family when tragedy strikes; it isn't until a dark and twisted secret is revealed that justice is served for a devastating double homicide.

Just five days before her elaborate Long Island wedding, a beautiful and brilliant Yale student goes missing; a massive search effort is launched to find her before her wedding day.

A mysterious illness strikes a newly married electrician, and his condition gets increasingly dire as doctors search for answers; it will take a scientific breakthrough to solve this burning mystery and catch a cunning killer.

When a young mother is shot and killed, a revolver leads investigators to someone who knew both the victim and her ex-husband, but nothing is as simple as it seems.

After a small town dentist is stabbed to death, investigators discover a web of extra-marital affairs and infidelity, and the odd behavior of an unexpected suspect helps crack the case.

After a beloved school superintendent is killed in a small town, detectives discover that a secret affair and a broken promise may have fueled the passions that led to murder.

Josh Mankiewicz re-examines the kidnapping and murder of 17-year-old Carla Walker following a Valentine's Day dance in Fort Worth, Texas; Cutting-edge DNA technology and diligent police work lead detectives to her killer.

When Leslie Neulander dies after what seems like an accidental fall in the shower, her book club friends join forces to seek justice on her behalf; Andrea Canning reflects on some of the most determined women she's ever met.

An apparent home invasion in Minnesota leaves Heidi Firkus dead and her husband hospitalized; for Blayne Alexander, getting to know Heidi through loved ones was a privilege; for investigators, learning about Heidi helps solve the case.

After a mother is found murdered in her Virginia home, her son embarks on a 20-year quest for justice; for Josh Mankiewicz, this cold case was one of the strangest he's ever covered. He looks back at the reasons why.

After a woman is murdered, a secret is exposed but a mystery still looms; Andrea Canning re-examines the story she first covered years ago; new developments lead to an unexpected conclusion and an interview you have to see to believe.

A mother is found dead in a house fire, but an autopsy reveals a brutal murder; the case goes cold until an unexpected confession sheds new light; Blayne Alexander looks back at a family shattered by loss, but determined to uncover the truth.

Two murders in Toronto ignite an investigation that spans four decades, but breakthroughs in investigative genetic genealogy help crack the case; Josh Mankiewicz revisits the mystery that took him to the coldest and most remote place he's ever been.

After a nurse and mother-of-three is murdered inside her Illinois home, investigators uncover security camera footage that could be key to solving the case.

After New Jersey mother Michelle Lodzinski reports that her 5-year-old son has vanished from a carnival, detectives embark on a decadeslong investigation until a family member identifies a key piece of evidence pointing to a potential suspect.

After New Jersey mother Michelle Lodzinski reports that her 5-year-old son has vanished from a carnival, detectives embark on a decadeslong investigation until a family member identifies a key piece of evidence pointing to a potential suspect.

Over the course of a year, violent crimes are committed against two women from the same church; evidence is revealed that suggests the two cases are not just coincidences.

A romantic anniversary getaway for a couple of high school sweethearts turns disastrous when they become victims of a robbery gone wrong; homicide investigators unravel a lurid secret at the heart of the murder, leading them to a stone-cold killer.

While a young couple enjoy a romantic honeymoon, a brutal sexual assault and murder occurs; investigators must navigate a web of lies, suspects, and clues to bring a charismatic killer to justice.

A pregnant day care worker is savagely attacked and murdered before her wedding in Mississippi; police must match their wits with a devious killer and untangle a case complicated by a lurid love affair.

Police investigate the murder of a popular insurance salesman in a small Midwestern town; as they untangle a web of lies and deceit, police discover that a religious leader hides some sinful secrets.

When a wife and mother is horrifically murdered in a wealthy suburb, police uncover a hidden world of sex and drugs that leads them to a killer they never expected.

Police in Michigan, struggling to solve the murder of a beloved scrapyard owner, get a break in the case when an ex-cop's suicide note exposes a web of lies and a secret affair.

When a beloved plastic surgeon and his office manager are gunned down at work, detectives chase down several leads until they uncover one suspect hiding malicious intent.

When a family dispute turns violent and results in the death of an Oregon man, detectives must sort through a cast of characters to uncover the leading lady at the center of the crime.

The search for a missing boater on Lake Coeur d'Alene turns sinister after a local newspaper uncovers a shocking story, forcing residents of the peaceful lake town to question their neighbors.

A haunting text message leaves the family of a missing young man desperate for answers; as Chicago detectives work through multiple theories, they eventually unearth the shocking truth to his sudden disappearance.

After an Air Force pilot is found shot to death in his Ohio home, authorities embark on an international manhunt that spans over a decade to bring the fugitive to justice.

Just as detectives investigating the death of an Atlanta based rapper are closing what appears to be a domestic dispute case, they are faced with horrifying evidence planted by the victim seconds before his death.

The murder of an Arabi, La., man forces authorities to examine every possible lead as they eventually learn their prime suspect is closely tied to an open cold case in Indiana.

When a young woman is found mysteriously gunned down off a remote highway, Michigan detectives look into the victim's past for answers, uncovering a scandalous web of infidelity and betrayal.

The investigation of a young gamer's murder begins with his mother's heartbreaking 911 call but when detectives find a clue inside evidence left at the crime scene, the case turns into a multi-state search for a heartbroken suspect.

When a firebomb attack destroys the home of two sisters, police turn to the neighborhood for answers, but the high-profile case takes an odd turn once detectives realize they have a homicide on their hands and the culprit is much closer to home.

Investigators work to uncover the truth behind a local church scandal in order to pin down a most unlikely suspect after a young Texas teacher is found axed to death on Friday the 13th.

When a beloved woman in North Carolina is found stabbed to death in her own home, investigators uncover an unnerving history of harassment carried out by a killer blinded by jealousy.

The body of a teen is found at a local party spot and theories surrounding her death spread, but the case goes cold for 30 years, until the investigation heats back up.

Authorities are puzzled when a beloved Georgia grandmother is shot execution style, but as the investigation unfolds, a once close-knit family turns against itself.

After the deceased body of a St. Petersburg, Fla., woman is found in an abandoned trailer, investigators search for answers and uncover the dark truth of what happens when someone is pushed too far.

An Idaho man is sentenced to life after falsely confessing to his friend's murder; but after the true culprit is caught and the case seemingly closed, a chilling twist unfolds.

An Idaho man is sentenced to life after falsely confessing to his friend's murder; but after the true culprit is caught and the case seemingly closed, a chilling twist unfolds.

Police suspect a murder-for-hire plot when a realtor is attacked and left for dead at a home showing and begin investigating his family and business partners.

A DNA breakthrough in a murder case that is more than a decade old leads two determined detectives to surprising suspects.

Investigators follow the trail of a seemingly untraceable late-night call as they search for the killer of businesswoman Peggy Nadell.

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.

When devoted young mother Sara Summer vanishes from a small Tennessee town, the investigation into her life exposes a world of romance, lies and a fatal betrayal at the hands of a man she trusted.

A newly single mother of two vanishes after going on a date with an old high school friend she connected with on Facebook; investigators race against the clock to reveal the true identity of the mystery man.

A bomb rocks South Chicago killing Mark Toney, investigators dig beneath the rubble to expose a violent, seductive con game and a shockingly deceitful relationship.

Morgan Fox, a young mother, is shot dead outside her home in North Canton, Ohio; in the search for her killer, investigators discover a toxic workplace, a twisted obsession, and a killer relationship.

Desiree Sunford, a beloved middle school art teacher in Yakima, Wash., is found dead in her home from multiple gunshots; as detectives dig into her marriage, they uncover a world of jealousy, sex and liaisons.

Twenty-one-year-old art student Katelyn Markham vanishes just weeks before college graduation; the investigation unfolds over 13 years, uncovering lies, rage, and a betrayal that hits close to home.

Elana Fric, a respected doctor and devoted mother of three, vanishes into the night; the next morning, a suitcase is found dumped in a river; as detectives delve into Fric's personal life, dark secrets rise to the surface, and so does her killer.

The gruesome discovery of a decomposed and dismembered corpse buried in the backyard of a Seattle home results in an investigation that unravels a 30-year-old murder plot hatched by a scheming, vindictive family.

After the body of a missing young mother is discovered in a shallow grave behind her own home, cops must investigate the complicated relationships of her past and present in order to identify a motive and track down her killer.

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.

A late-night gaming party goes dangerously wrong when a young teenager disappears from the coastal town of Everett, WA.

After a homeowner discovers a mummified corpse buried inside a barrel beneath his home, detectives must painstakingly piece together a series of hidden clues to locate a killer who thought they had committed the perfect murder.

When the body of a beloved, elderly woman is found brutally murdered and stuffed inside a decorative wishing well in the backyard of her property, a dogged detective goes on a years-long hunt to catch her elusive killer.

A late-night gaming party goes dangerously wrong when a young teenager disappears from the coastal town of Everett, WA.

A father disappears from the Cincinnati suburbs, setting off a desperate search that exposes small-town secrets, rivalries, and past threats; six days later, Bobby Farrell is found dead, and detectives and his family stop at nothing to get answers.

Gail Fulton, a devoted wife and mother, is ambushed and shot to death in a library parking lot; as detectives search for her killer, they discover a twisted story of adultery, obsession, and revenge that shocks her small Michigan community.

When popular 25-year-old Keosha Gilmore is shot to death in a car while returning from a date, claims of a mysterious hooded shooter rock this quiet Boston Street. The case goes cold until detectives unmask a killer with a lethal obsession.

When Leslie Neulander dies after what appears to be an accidental fall in the shower in her New York home, two friends join forces to seek justice on her behalf; insiders speak out on the latest twists and the final chapter in the case.

When Leslie Neulander dies after what appears to be an accidental fall in the shower in her New York home, two friends join forces to seek justice on her behalf; insiders speak out on the latest twists and the final chapter in the case.

When a woman is found murdered in her bed, her husband and her son accuse each other of being the killer.

After losing a hotly contested custody battle, a woman disappears with her 11-month-old daughter; the child's father searches four continents for almost two decades before reaching an emotional conclusion.

A 33-year-old tutor is accused of having an illicit relationship with a teenage student after a racy photograph is discovered on a cell phone; later, her stunning defense will lead to an emotional courtroom battle.

Criminal defense attorney John Henry Browne delves into his personal and professional journey while defending Ted Bundy, one of the most notorious killers in history.

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 last real cowboy is found dead at home, detectives dig in and are hard-pressed to find anyone who'd want to see this loving father murdered; a closer look at his nearest confidants unravels a heinous plot twisted by love and money.

When two Ghanian immigrants are discovered murdered in their upscale Maryland home, police are confronted with bizarre evidence that motivates them to take a closer look at the mystifying rituals of voodoo.

A deadly shooting raises questions about an elderly man's business dealings and his friendship with a much younger woman.

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.

When the body of a newlywed is spotted at the base of a cliff in Glacier National Park, local and federal authorities join forces for an investigation that will put their skills to the ultimate test.

After leads dry up in a missing person case, detectives in Ennis,Texas, discover a severed body part at a nearby lake; after confirming the DNA match, they begin to uncover the rippling relationship that led to the death of a beloved father.

A hardworking family man is shot to death in front of his wife during a morning walk with their dog; as police determine if the attack was random or targeted, they uncover a web of deceit spanning across state lines.

When a man goes missing in a rural small town in Tennessee, family members and detectives band together to uncover scandalous secrets fueled by greed and lust.

After responding to a frantic 911 call from a care-facility nurse who has discovered her patient with severe stab wounds and clinging to life, police receive an unexpected tip that reveals a group of killers inspired by greed.

Coastal Texas is thrown into shock when a beloved retiree is found executed in his home; an unlikely witness comes forward and leads investigators to uncover a malicious murder plot.

When a beloved father in Dothan, Ala., narrowly survives a car bombing, a man hunt is launched to find who set the trap; as the investigation unfolds, police uncover a murderous plot hatched by a scorned ex-lover.

After a demolition derby driver is found gunned down in his California auto shop, police uncover a dangerous love match that leads one woman to commit the ultimate crime.

After a hardworking mother is trapped and killed in a California house fire, investigators sift through multiple theories to figure out who could have ignited the deadly blaze.

When a man returns home from a party and finds his caregiver shot to death, detectives must sift through a complicated network of animosity and resentment to find their killer.

After a welfare check is called in on a 53-year-old Texas man, police soon discover him shot to death in a Louisiana swamp that's 450 miles from his home; detectives devise a sting operation to track down his killer and reveal a vengeful murder plot.

When a loving father is shot to death in front of his home by a masked gunman on Halloween night, Los Angeles Police must follow the evidence to determine whether this was a case of holiday hijinks gone awry or something far more sinister.

After an apparent home invasion in Minnesota leaves Heidi Firkus dead and her husband, Nick, hospitalized, detectives learn the young couple was facing financial troubles.

After an apparent home invasion in Minnesota leaves Heidi Firkus dead and her husband, Nick, hospitalized, detectives learn the young couple was facing financial troubles.

The case of Johnny Hincapie, whose conviction for the 1990 murder of a Utah tourist in New York -- a case that represented a tipping point in the city's law enforcement -- was overturned after 25 years.

The shocking murder of a Van Nuys newlywed goes cold for 23 years until detectives bent on justice revisit the brutal evidence, including a bite mark on the victim's arm that leads them to the most unlikely killer.

After a man mysteriously dies in his doctor's office, a routine call from a life insurance company plunges investigators into a twisted world of mystery, money and murder where they must unravel a complex web of lies and false identities.

When an Atlanta businessman is shot to death in front of his son's preschool, detectives try to track down the disguised gunman.

When a young paralegal is discovered bound and stabbed to death in his Lakewood Heights home, Atlanta detectives race to find his killer.

When two men disappear in the quiet community of Clemmons, N.C., rumors swirl about a devil-worshipping couple and their house of horrors; an investigation leads police to discover there may be more than secrets buried in the backyard.

When a beloved woman goes missing in Everett, Wash., police find that her apartment was the scene of a violent attack; unable to find her, investigators are led to a coven of modern-day wiccans and one witness who reveals the horrifying truth.

When two young women are brutally murdered in Phoenix, friends and family wait decades for answers; when advancements in DNA reinvigorate the case, police discover the killer has been hiding in plain sight.

Analyzing the investigation into the gruesome murder of an esteemed Southern doctor; an anonymous tip leads police to uncover a pattern of lust, greed and a complex dynamic between twin sisters.

Updates to an episode with new details and interviews; the son of a wealthy psychologist finds his father murdered and points the finger at his mother; investigators delve into the marriage, revealing darkness hidden behind a facade.

Missouri police are called to the home of a prominent judge's daughter to find her husband dead on the couch; while the crime scene suggests a break-in, investigators uncover evidence of a scandalous murder plot driven by greed.

When a beloved Florida mother is found brutally shot to death and her newborn missing, investigators race against the clock to track down a mysterious visitor whose motives prove sinister.

Serenity in the Montana mountains is shattered when a man is shot to death on his neighbor's land; detectives learn of an escalating dispute over trail access and reenact the shooting to discover if claims of self-defense match the evidence.

A feud between neighbors in the quiet suburb of New Brighton, Minn., turns deadly when one man's passion for local wildlife drives his neighbor to snap; investigators must determine whether the shooter acted out of self-defense or bitter revenge.