A frantic 911 call captures a man's final moments after a brutal knife attack in his home. As their only eyewitness keeps changing her story, investigators dig deep to uncover a crumbling relationship and the sinister truth behind a vicious murder.

When a rebellious teen disappears on her way to a concert, clues point detectives to dark rituals deep in the forest.

When police respond to a domestic disturbance in a Bay Area suburb, it's unclear who on scene was the intended victim; further investigation reveals a body, a carefully collected kill kit, and a slew of evidence of a lethal plan for revenge.

When Rob Limon is murdered at work, the investigation uncovers deep secrets about sex, friendship, religion, and family; it is a case featured in Dateline's chart-topping podcast Deadly Mirage.

A well-respected firefighter and loving family man is found gunned down outside his Philadelphia home, sending police on a furious search for his killers; what they find stuns even the most hardened investigators among them.

When an Arkansas family man is shot to death in his home, his widow is quick to point the blame around town; detectives tail the suspects, a torrid affair and deadly secret come to light, revealing a manipulative wolf in sheep's clothing.

When a rebellious teen disappears on her way to a concert, clues point detectives to dark rituals deep in the forest.

A popular therapist suffers a deadly attack in her Hollywood Hills home and police must trace a trail of deadly obsession and rage to find her killer.

A frantic Ohio woman seeks refuge in a fast-food restaurant after escaping from a deadly assault; police sort through contradicting stories to expose a habitual criminal.

The murder of a popular hairdresser in Cleveland leaves police stunned and desperate for answers; an unexpected break comes when a routine traffic stop in a neighboring county uncovers a vicious and deadly plot no one saw coming.

A former ballerina fatally shoots her estranged husband in what she claims to be an act of self-defense; the case receives major media coverage after a history of questionable allegations and conflicting narratives come to light.

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

The investigation into a deadly home invasion involving a local business owner takes a turn when an unlikely witness comes forward; new details emerge from exclusive interviews and never-before-seen police interviews.

The investigation into a deadly home invasion involving a local business owner takes a turn when an unlikely witness comes forward; new details emerge from exclusive interviews and never-before-seen police interviews.

The double murder of Tammy Jo Parker and Bryan Capnerhurst appears to be a case of self-defense until it emerges that Parker's husband, Brett, is a bookie with a mounting gambling debt.

When an athletic and popular college student is violently murdered in her apartment, police track down several surprising suspects, including one with a disturbing obsession, before crucial evidence unmasks a dangerous predator no one saw coming.

In Mustang, Okla., firefighter Keith Bryan reconciles with his wife, then he is shot in his own home and dies a few hours later at a nearby hospital.

A fun-loving 59-year-old man is found shot to death in his home and his beloved jewelry collection has been stolen, leading detectives to a long list of suspects and a killer harboring a dark secret.

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.

When body parts start turning up across New York, panic sets in over the possible return of a known serial killer; as detectives connect the dots, they uncover a simmering dispute that exploded into a crime far more disturbing than anyone imagined.

An Iowa man is fatally shot, and his girlfriend claims self-defense; as their turbulent relationship is examined, her social media reveals a troubling pattern and sinister motive.

A respected soldier and beloved family man is found shot to death inside his home; investigators uncover a salacious love triangle and expose a murder-for-hire plot fueled by manipulation and greed.

A promising college student disappears after a Halloween party; as detectives hunt for any sign of the missing woman, they uncover a love triangle and a murder driven by manipulation and jealousy.

When a young father is murdered in his apartment, investigators learn the victim was involved in a bitter custody battle prior to his death. A series of abuse allegations complicate the investigation as detectives race to identify the killer.

The search for a missing elderly woman turns into a murder investigation after police discover a grisly crime scene. As authorities search for the last person to see her alive, they follow a digital trail that will expose a cold-hearted betrayal.

An apparent home invasion leaves a woman shot, her boyfriend dead, and police searching for two masked intruders; when inconsistencies in her story start piling up, police realize the woman at the center might not be the victim she claims to be.

20 years in the making, this special reexamines the Internet's first murder trial, revealing a twisted seductress with a skill for manipulation; after time in prison, she has a second chance at life and love with a stunning final update in her case.

The man known as the Happy Face Killer viciously strangled eight women and dumped their bodies along the road.

A frantic 911 call captures a man's final moments after a brutal knife attack in his home. As their only eyewitness keeps changing her story, investigators dig deep to uncover a crumbling relationship and the sinister truth behind a vicious murder.

When police respond to a domestic disturbance in a Bay Area suburb, it's unclear who on scene was the intended victim; further investigation reveals a body, a carefully collected kill kit, and a slew of evidence of a lethal plan for revenge.

A frantic 911 call captures a man's final moments after a brutal knife attack in his home. As their only eyewitness keeps changing her story, investigators dig deep to uncover a crumbling relationship and the sinister truth behind a vicious murder.

Robbery seems to be a plausible motive when a North Carolina man is found shot to death in a roadside ditch, but the case remains cold for years until a mysterious letter reveals a more sinister motive than anyone could have imagined.

A frantic 911 call captures a man's final moments after a brutal knife attack in his home. As their only eyewitness keeps changing her story, investigators dig deep to uncover a crumbling relationship and the sinister truth behind a vicious murder.

The stories of five women who suffered vile abuse while trapped inside the home of a prolific serial killer from which they eventually escaped.

When police respond to a domestic disturbance in a Bay Area suburb, it's unclear who on scene was the intended victim; further investigation reveals a body, a carefully collected kill kit, and a slew of evidence of a lethal plan for revenge.

A well-respected firefighter and loving family man is found gunned down outside his Philadelphia home, sending police on a furious search for his killers; what they find stuns even the most hardened investigators among them.

When a rebellious teen disappears on her way to a concert, clues point detectives to dark rituals deep in the forest.

When an Arkansas family man is shot to death in his home, his widow is quick to point the blame around town; detectives tail the suspects, a torrid affair and deadly secret come to light, revealing a manipulative wolf in sheep's clothing.

When police respond to a domestic disturbance in a Bay Area suburb, it's unclear who on scene was the intended victim; further investigation reveals a body, a carefully collected kill kit, and a slew of evidence of a lethal plan for revenge.

A frantic Ohio woman seeks refuge in a fast-food restaurant after escaping from a deadly assault; police sort through contradicting stories to expose a habitual criminal.

A veteran police officer gets attacked in the line of duty; detectives make it their mission to bring his killer to justice; as they investigate a troubled Philadelphia suburb, they soon uncover a crime of the ultimate betrayal.

A former ballerina fatally shoots her estranged husband in what she claims to be an act of self-defense; the case receives major media coverage after a history of questionable allegations and conflicting narratives come to light.

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

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

Conflicting physical evidence confounds detectives after beauty queen Nona Dirksmeyer is found beaten to death in her Arkansas home.

When an athletic and popular college student is violently murdered in her apartment, police track down several surprising suspects, including one with a disturbing obsession, before crucial evidence unmasks a dangerous predator no one saw coming.

Prosecutor Kelly Siegler and her co-counsel unravel the mysterious hit-style murder of young suburban mom Farah Fratta; to prove the suspect masterminded her murder, Kelly demonstrates how the killer used his church and children as an alibi.

A fun-loving 59-year-old man is found shot to death in his home and his beloved jewelry collection has been stolen, leading detectives to a long list of suspects and a killer harboring a dark secret.

When an elderly woman survives an attempted murder, investigators connect the dots on the deaths of other local senior citizens where families reported missing jewelry, leading to the hunt for a serial killer in Texas.

Driving home from a night out at a club, a nurse's aide strikes a homeless man on the freeway. The choices she makes after the crash, and her attempt to keep them a secret, are revealed when friends testify against her in a dramatic trial.

A 15-year-old missing persons case is reinstated when an anonymous tipster leads police to unearth a grisly murder; as witnesses come forward, North Carolina investigators must try to piece together the crime and bring the killer to justice.

Two unlikely lovers form a secret bond held together by faith, but the polygamous marriage ends when a manipulative and deceitful charlatan kills the woman he once loved, the young mother of his two sons.

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 a loving Oklahoma family embarks on a journey to understand the romantic relationship that led to a horrific murder, the relationship's secrets also reveal the killer responsible for two other murders from a years-old cold case.

When the decomposed body of a woman is discovered inside a Las Vegas storage unit, investigators follow the clues to an unlikely culprit; a chilling tale of murder unravels, rooted in long-buried family secrets and eerie ties to the occult.

A charismatic young woman meets a dynamic and handsome man at an Orlando nightclub, and it seems like a perfect match, but a secret marriage and a lover who just can't let go spells doom for two innocent victims.

From 1993 to 2000, the quiet community of Fort Smith, Ark., is terrorized by a twisted serial killer, a deranged necrophiliac who targets elderly and vulnerable women; he becomes known as The River Valley Killer.

A grad student is killed in her Rittenhouse Square apartment; detectives follow clues across the country, uncovering a hidden evil that changes how Philadelphia investigates sex crimes.

When a college student and exotic dancer is found dead after being thrown from a bridge, detectives investigate the controversial players in Rachel's double life and come up with a killer they never imagined.

Nurse Charles Cullen is one of America's most prolific serial killers; police say he may have murdered up to 400 victims; Cullen claims he acted mercifully to end their pain; an in-depth look into the case reveals the truth behind his motives.

NYPD detectives race to unravel the strange murder of one of their own before a devious killer slips out of the country.

Police believe nurse Kristen Gilbert may have committed up to 60 murders at a hospital in Massachusetts; some say an affair drove Gilbert to murder while others think her narcissism caused the death of these innocent patients.

An indie film star is found dead in Greenwich Village, the victim of an apparent suicide; as detectives discover one eerie clue after another, they realize things aren't what they seem.

Self-named killer B.T.K. murders 10 people over 17 years, all while taunting Wichita, Kan., police and media before being exposed as family man and churchgoer Dennis Rader; in an exclusively acquired interview, he reveals what drove him to do it.

Authorities are left stunned when stories of mysticism and conspiracy come to the front while they investigate the disturbing murders of an elderly Vietnamese couple in Texas.

The man known as the Happy Face Killer viciously strangled eight women and dumped their bodies along the road.

A bullet-riddled car, a missing driver, and no witnesses, an ambush or a random attack; the clue was something so tiny, it was measured in millionths of a meter.

Teenager is found half-naked with her throat slit; a single foreign hair found on her thumb may finger the killer.

Two women who lived in the same apartment complex were brutally murdered; the similarities of the crime scenes led police to believe they were dealing with a serial killer who hated women, and they had to find him before he struck again.

A frantic 911 call captures a man's final moments after a brutal knife attack in his home. As their only eyewitness keeps changing her story, investigators dig deep to uncover a crumbling relationship and the sinister truth behind a vicious murder.

Weeks after a student vanishes, the body of an unknown female is found in the ashes of a fire 700 miles away; an alert policeman realizes the crimes could be connected.

Investigators face a growing list of suspects after a beautiful flight attendant is brutally murdered in her own home.

Colleen Stan relives what it was like to be kidnapped and imprisoned in a box, and how she escaped.

The assistant manager of the restaurant had been stabbed to death; police knew why he'd been killed: $8,000 was missing from the safe. As to who was responsible, his family and friends couldn't even imagine who'd want to hurt him.

Florida authorities rely on DNA evidence to try to nail the killer of a woman who was abducted from her late-night job at a convenience store, raped and strangled.

A wild fire in a secluded parking lot leads police to discover a dreadful homicide, with the suspect's image caught by security cameras.

After a prominent Arizona surgeon is found stabbed to death outside his office, investigators uncover an unlikely suspect with deep pockets and an even deeper hatred for the doctor.

The stories of five women who suffered vile abuse while trapped inside the home of a prolific serial killer from which they eventually escaped.

Police don't have a basis for comparison to match shoe impressions, blood drops and DNA evidence from a murder scene.

A masked gunman kills two members of a family and wounds two others after they interrupt his burglary at their upscale suburban home.

A killer leaves equally incriminating evidence at the scene when he meticulously wipes away his fingerprint and shoe impressions.

After a woman is found dead at a yacht club in California in an apparent case of love gone wrong, investigators discover her home life was as dramatic as films made in nearby Hollywood.

When a rebellious teen disappears on her way to a concert, clues point detectives to dark rituals deep in the forest.

The brutal murder of a state park employee over $2,000 rattles her co-workers and tourists while leaving police to sift through hundreds of leads.

Diving inside the mind of New York's most prolific serial killer, Joel Rifkin; through never-before-heard interviews from Attica Correctional Facility, Joel Rifkin reveals exclusive insights into the mind of a monster.

When police respond to a domestic disturbance in a Bay Area suburb, it's unclear who on scene was the intended victim; further investigation reveals a body, a carefully collected kill kit, and a slew of evidence of a lethal plan for revenge.

A veteran police officer gets attacked in the line of duty; detectives make it their mission to bring his killer to justice; as they investigate a troubled Philadelphia suburb, they soon uncover a crime of the ultimate betrayal.

Kay Mortensen took pride in preparing for every possible threat, so when he was found dead at home, those who knew him were stunned; the brutal killing put two of Kay's loved ones behind bars and in danger, but the truth may set them free.

Jodi Arias is convicted of murdering her ex-boyfriend, Travis Alexander.

In an effort to uncover the truth, a group of Detroiters band together to clear the names of Tommy and Ray Hughes who have spent 25 years in prison for a murder they say they did not commit.

Prosecutor Kelly Siegler and her co-counsel unravel the mysterious hit-style murder of young suburban mom Farah Fratta; to prove the suspect masterminded her murder, Kelly demonstrates how the killer used his church and children as an alibi.

Exploring the reign of the Southside Slayer and the truth; the Southside Slayer wasn't one man, but four separate serial killers operating at the same time in the same place.

When an elderly woman survives an attempted murder, investigators connect the dots on the deaths of other local senior citizens where families reported missing jewelry, leading to the hunt for a serial killer in Texas.

Driving home from a night out at a club, a nurse's aide strikes a homeless man on the freeway. The choices she makes after the crash, and her attempt to keep them a secret, are revealed when friends testify against her in a dramatic trial.

Officers must determine if there is more than one killer at the same time when dozens of women are murdered around the city of Baton Rouge, La.

Two unlikely lovers form a secret bond held together by faith, but the polygamous marriage ends when a manipulative and deceitful charlatan kills the woman he once loved, the young mother of his two sons.

As a loving Oklahoma family embarks on a journey to understand the romantic relationship that led to a horrific murder, the relationship's secrets also reveal the killer responsible for two other murders from a years-old cold case.

A killer is behind bars after DNA connects him to seven victims in Baton Rouge, La., but the murders don't stop after his arrest; new fear sweeps the city and law enforcement must act quickly to find a second, and maybe even a third, serial killer.

A charismatic young woman meets a dynamic and handsome man at an Orlando nightclub, and it seems like a perfect match, but a secret marriage and a lover who just can't let go spells doom for two innocent victims.

Retired Detective Ken Mains teams up with an inmate on death row to expose the secrets of unknown serial killer Joseph Naso: while bringing closure to a victim's family, Ken uncovers that Naso likely killed many more women than police ever thought.

A grad student is killed in her Rittenhouse Square apartment; detectives follow clues across the country, uncovering a hidden evil that changes how Philadelphia investigates sex crimes.

When a college student and exotic dancer is found dead after being thrown from a bridge, detectives investigate the controversial players in Rachel's double life and come up with a killer they never imagined.

Retired detective Ken Mains and inmate Bill Noguera uncover new details about serial killer Joseph Naso, who posed as a pro baseball team's photographer to hunt women and may have gone on a killing spree in Sin City.

NYPD detectives race to unravel the strange murder of one of their own before a devious killer slips out of the country.

Bill Noguera gets a written confession from serial killer Joseph Naso, cracking open another cold case from his list of 10; Detective Mains uncovers more potential victims from an infamous case in New York.

An indie film star is found dead in Greenwich Village, the victim of an apparent suicide; as detectives discover one eerie clue after another, they realize things aren't what they seem.

A young mother who is pregnant with her second child is gunned down on her way to work; her sisters become amateur detectives to help find her killer.

Authorities are left stunned when stories of mysticism and conspiracy come to the front while they investigate the disturbing murders of an elderly Vietnamese couple in Texas.

Wilton Manors, Fla., investigators search for motives after a beloved father is found strangled and battered in his driveway, until an unsuspected confession reveals a complex web of deceit.

Pizza deliveryman Brian Wells robs a bank with a bomb strapped around his neck, launching one of the strangest cases ever investigated by the FBI.

A bullet-riddled car, a missing driver, and no witnesses, an ambush or a random attack; the clue was something so tiny, it was measured in millionths of a meter.

Teenager is found half-naked with her throat slit; a single foreign hair found on her thumb may finger the killer.

Two women who lived in the same apartment complex were brutally murdered; the similarities of the crime scenes led police to believe they were dealing with a serial killer who hated women, and they had to find him before he struck again.

A bank executive tries to rob his own bank; investigators think it's an inside job but eventually learn the crime is connected to a spree carried out by men who managed to keep their identities secret, preying on people who did the opposite.

Weeks after a student vanishes, the body of an unknown female is found in the ashes of a fire 700 miles away; an alert policeman realizes the crimes could be connected.

Investigators face a growing list of suspects after a beautiful flight attendant is brutally murdered in her own home.

The assistant manager of the restaurant had been stabbed to death; police knew why he'd been killed: $8,000 was missing from the safe. As to who was responsible, his family and friends couldn't even imagine who'd want to hurt him.

Florida authorities rely on DNA evidence to try to nail the killer of a woman who was abducted from her late-night job at a convenience store, raped and strangled.

Single mother Marie Singleton falls hard for Andre Jackson, a single dad raising his two kids; the couple marries and seems happy, then Marie vanishes and investigators discover secrets that may be related to her undercover job.

A wild fire in a secluded parking lot leads police to discover a dreadful homicide, with the suspect's image caught by security cameras.

Raven Abaroa swoops into Vanessa Pond's life and steals her heart; then, Vanessa discovers her dream man has a tragic past: his first wife was killed; dark secrets are about to be spilled.

After a prominent Arizona surgeon is found stabbed to death outside his office, investigators uncover an unlikely suspect with deep pockets and an even deeper hatred for the doctor.

Police don't have a basis for comparison to match shoe impressions, blood drops and DNA evidence from a murder scene.

Wendy Trapaga is a beaming young bride, and just four days after saying "I do," she is found dead in a parking lot; investigators discover the newlyweds were keeping secrets, and there was also someone else involved with a secret.

A masked gunman kills two members of a family and wounds two others after they interrupt his burglary at their upscale suburban home.

A killer leaves equally incriminating evidence at the scene when he meticulously wipes away his fingerprint and shoe impressions.

In high school, Christian, Erika and Pedro formed a tight trio: best friends who excelled at academics and shared big dreams; when they went to college something changed; it started with a secret romance and ended in tragedy.

After a woman is found dead at a yacht club in California in an apparent case of love gone wrong, investigators discover her home life was as dramatic as films made in nearby Hollywood.

The brutal murder of a state park employee over $2,000 rattles her co-workers and tourists while leaving police to sift through hundreds of leads.

Nikki Whitehead was a single mom working toward a brighter future; she found love, moved into a nice neighborhood and enrolled in college, then tragedy struck; police searched for answers but one thing was certain: this crime was personal.

Diving inside the mind of New York's most prolific serial killer, Joel Rifkin; through never-before-heard interviews from Attica Correctional Facility, Joel Rifkin reveals exclusive insights into the mind of a monster.

A cold-blooded serial killer lurks in the woods, stalking for his next victim; as Detective Bernie Nelson investigates, puzzling evidence leads him to more questions until one clue help crack the case wide open.

The missing-persons case of 12-year-old Jonelle Matthews in Colorado remains a mystery for more than three decades until detectives narrow in on a suspect whose bizarre behavior after her disappearance hints at something much more sinister.

The missing-persons case of 12-year-old Jonelle Matthews in Colorado remains a mystery for more than three decades until detectives narrow in on a suspect whose bizarre behavior after her disappearance hints at something much more sinister.

A woman is found murdered in the remains of a house that has burned to the ground, and it will take years to unravel the mystery of what happened to her.

A land developer disappears into the Arizona desert, and a brother sets out to uncover the truth; when hikers stumble onto a gruesome discovery, investigators quickly realize no one can be trusted when they find themselves in the line of fire.

Exploring the reign of the Southside Slayer and the truth; the Southside Slayer wasn't one man, but four separate serial killers operating at the same time in the same place.

A horrific discovery in a backyard cornfield is just the beginning of an unspeakable scene; as horrors unfold in this small Midwest town, someone is playing a deadly game of cat and mouse, and it will be years before a ghastly truth is revealed.

After the burned body of a local man is found in rural Missouri, the homicide goes unsolved for nearly two decades until a twisted murder plot is brought to light.

Officers must determine if there is more than one killer at the same time when dozens of women are murdered around the city of Baton Rouge, La.

Investigators in Gresham, Ore., are left with a gruesome crime scene, an assailant on the loose and a missing child after the victim of a stabbing is able to call 911 in a last attempt to save her own life.

When a prominent Santa Rosa, Calif., couple is found gunned down at the offices of one of the world's most popular cartoons, detectives are left to untangle the inner workings of a decades-long marriage.

A killer is behind bars after DNA connects him to seven victims in Baton Rouge, La., but the murders don't stop after his arrest; new fear sweeps the city and law enforcement must act quickly to find a second, and maybe even a third, serial killer.

A frantic 911 call captures a man's final moments after a brutal knife attack in his home. As their only eyewitness keeps changing her story, investigators dig deep to uncover a crumbling relationship and the sinister truth behind a vicious murder.

Retired Detective Ken Mains teams up with an inmate on death row to expose the secrets of unknown serial killer Joseph Naso: while bringing closure to a victim's family, Ken uncovers that Naso likely killed many more women than police ever thought.

The quintessential girl next door is discovered brutally killed on Thanksgiving weekend; it would take investigators over a year to uncover the dark obsession that led to her murder.

A foursome, a stripper, and a biker, is just the beginning for investigators of this massage table homicide; everyone is shocked as a secret fetish for murder is revealed.

Retired detective Ken Mains and inmate Bill Noguera uncover new details about serial killer Joseph Naso, who posed as a pro baseball team's photographer to hunt women and may have gone on a killing spree in Sin City.

A single mother is found shot and stabbed in her kitchen; multiple suspects emerge, but the true mastermind of this murder hits closer to home than anyone expected.

Bill Noguera gets a written confession from serial killer Joseph Naso, cracking open another cold case from his list of 10; Detective Mains uncovers more potential victims from an infamous case in New York.

What started as a perfect marriage evolves into a threesome; after one of the participants winds up dead, the killer turns out to be someone the investigators never suspected.

A young mother who is pregnant with her second child is gunned down on her way to work; her sisters become amateur detectives to help find her killer.

Kelly and Abbey investigate the 1999 murder of a beloved churchgoing mother and grandmother, shot dead in her own home; with no known enemies, was she killed to send a cruel message to someone she loved?

Kelly and Tonya look into the murder of a hard-working mother who was stabbed and bludgeoned to death; the investigation uncovers a secret affair and a revelation as shocking as the murder itself.

Pizza deliveryman Brian Wells robs a bank with a bomb strapped around his neck, launching one of the strangest cases ever investigated by the FBI.

Kelly and Steve join the Searcy Police Department to untangle the mystery of a popular hairstylist, murdered on the night of her thirtieth birthday; is it an old flame, a new boyfriend or someone else entirely?

Kelly and Steve investigate the mysterious murder of a devoted mother of four, found stabbed to death in her van with her wedding band on the floor; was an alleged secret affair behind the shocking crime?

A bank executive tries to rob his own bank; investigators think it's an inside job but eventually learn the crime is connected to a spree carried out by men who managed to keep their identities secret, preying on people who did the opposite.

A 49-year-old man was shot and killed while walking his dog in front of his Texas home. Josh Mankiewicz looks back at a case with an unusual motive.

Single mother Marie Singleton falls hard for Andre Jackson, a single dad raising his two kids; the couple marries and seems happy, then Marie vanishes and investigators discover secrets that may be related to her undercover job.

A man with both power and prestige managed to fool everyone, right up until his arrest.

Raven Abaroa swoops into Vanessa Pond's life and steals her heart; then, Vanessa discovers her dream man has a tragic past: his first wife was killed; dark secrets are about to be spilled.

Wendy Trapaga is a beaming young bride, and just four days after saying "I do," she is found dead in a parking lot; investigators discover the newlyweds were keeping secrets, and there was also someone else involved with a secret.

The case involved detective work so unique, it managed to stay with Dennis Murphy for years; days before Christmas, Michelle Martinko was visiting the mall when she was found stabbed to death; investigators found her killer almost 40 years later.

In high school, Christian, Erika and Pedro formed a tight trio: best friends who excelled at academics and shared big dreams; when they went to college something changed; it started with a secret romance and ended in tragedy.

When Israel Keyes is caught for the murder of 18-year-old Samantha Koenig, police have no clue what they've stumbled upon; after intense games of cat and mouse, the FBI uncovers one of the most calculated serial killers it has ever encountered.

Nikki Whitehead was a single mom working toward a brighter future; she found love, moved into a nice neighborhood and enrolled in college, then tragedy struck; police searched for answers but one thing was certain: this crime was personal.

A cold-blooded serial killer lurks in the woods, stalking for his next victim; as Detective Bernie Nelson investigates, puzzling evidence leads him to more questions until one clue help crack the case wide open.

When Cara Ryan shoots her ex-husband and accuses him of threatening to kill her, police question her motive.

When Cara Ryan shoots her ex-husband and accuses him of threatening to kill her, police question her motive.

A trail of texts helps prosecutors build a case in the disappearance of Kevin Mengel, but a surprise awaits them.

A land developer disappears into the Arizona desert, and a brother sets out to uncover the truth; when hikers stumble onto a gruesome discovery, investigators quickly realize no one can be trusted when they find themselves in the line of fire.

A horrific discovery in a backyard cornfield is just the beginning of an unspeakable scene; as horrors unfold in this small Midwest town, someone is playing a deadly game of cat and mouse, and it will be years before a ghastly truth is revealed.

After the burned body of a local man is found in rural Missouri, the homicide goes unsolved for nearly two decades until a twisted murder plot is brought to light.

Investigators in Gresham, Ore., are left with a gruesome crime scene, an assailant on the loose and a missing child after the victim of a stabbing is able to call 911 in a last attempt to save her own life.

When a prominent Santa Rosa, Calif., couple is found gunned down at the offices of one of the world's most popular cartoons, detectives are left to untangle the inner workings of a decades-long marriage.

A frantic 911 call captures a man's final moments after a brutal knife attack in his home. As their only eyewitness keeps changing her story, investigators dig deep to uncover a crumbling relationship and the sinister truth behind a vicious murder.

The quintessential girl next door is discovered brutally killed on Thanksgiving weekend; it would take investigators over a year to uncover the dark obsession that led to her murder.

A foursome, a stripper, and a biker, is just the beginning for investigators of this massage table homicide; everyone is shocked as a secret fetish for murder is revealed.

A single mother is found shot and stabbed in her kitchen; multiple suspects emerge, but the true mastermind of this murder hits closer to home than anyone expected.

What started as a perfect marriage evolves into a threesome; after one of the participants winds up dead, the killer turns out to be someone the investigators never suspected.

Kelly and Abbey investigate the 1999 murder of a beloved churchgoing mother and grandmother, shot dead in her own home; with no known enemies, was she killed to send a cruel message to someone she loved?

Kelly and Tonya look into the murder of a hard-working mother who was stabbed and bludgeoned to death; the investigation uncovers a secret affair and a revelation as shocking as the murder itself.

Kelly and Steve join the Searcy Police Department to untangle the mystery of a popular hairstylist, murdered on the night of her thirtieth birthday; is it an old flame, a new boyfriend or someone else entirely?

Kelly and Steve investigate the mysterious murder of a devoted mother of four, found stabbed to death in her van with her wedding band on the floor; was an alleged secret affair behind the shocking crime?

A 49-year-old man was shot and killed while walking his dog in front of his Texas home. Josh Mankiewicz looks back at a case with an unusual motive.

A man with both power and prestige managed to fool everyone, right up until his arrest.

The case involved detective work so unique, it managed to stay with Dennis Murphy for years; days before Christmas, Michelle Martinko was visiting the mall when she was found stabbed to death; investigators found her killer almost 40 years later.

When Israel Keyes is caught for the murder of 18-year-old Samantha Koenig, police have no clue what they've stumbled upon; after intense games of cat and mouse, the FBI uncovers one of the most calculated serial killers it has ever encountered.

A mother of three married to a missionary is found dead on Valentine's Day; the investigation into the murder reveals answers close to home.

A mother of three married to a missionary is found dead on Valentine's Day; the investigation into the murder reveals answers close to home.

A young man is crushed by a truck in his father's driveway, leading police to first rule the death as an accident; the case is re-examined.