A scenic drive up the coast of California turns deadly when a young woman falls from an overlook in Big Sur, but when the people closest to her hear about the tragic accident, they are convinced that something more nefarious is going on.

A man uses a dating site to meet and murder a college student.

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.

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.

A look at the case of con man John Meehan, including interviews with his wife and her daughter, his ex-wife, law enforcement officers, and the Los Angeles Times reporter who shined a spotlight on the story.

For more than 30 years, "Dateline" has brought viewers investigations into some of biggest mysteries in America. This entry in the franchise takes a second look at some of the most mysterious cases of recent history. Hosted by Emmy-winning journalist Craig Melvin, the show explores the stories through firsthand accounts told by people who are close to the crime, including investigators who dedicated their time to the cases and family members who are still trying to confront the tragedies that befell their loved ones.

A once prominent heart surgeon is found dead in his bed after suffering mysterious health conditions.

A scenic drive up the coast of California turns deadly when a young woman falls from an overlook in Big Sur, but when the people closest to her hear about the tragic accident, they are convinced that something more nefarious is going on.

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

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.

When a freewheeling family moves from California to the conservative enclave of Leesburg, Va., they get on the wrong side of one of their neighbors, and the conflict escalates until bullets fly and blood flows in the street.

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

Seeking to make a fresh start in Las Vegas, a teacher and her son find themselves the targets of harassment and escalating intimidation by the woman who lives next door.

When a freewheeling family moves from California to the conservative enclave of Leesburg, Va., they get on the wrong side of one of their neighbors, and the conflict escalates until bullets fly and blood flows in the street.

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

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.

When Courtney Copeland is shot and killed, his mother investigates whether police detectives did enough to try to solve the case.

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

Seeking to make a fresh start in Las Vegas, a teacher and her son find themselves the targets of harassment and escalating intimidation by the woman who lives next door.

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.

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.

The mysterious death of a young mother in Ohio and the ensuing investigation that spans years and multiple states.

A series of reports chosen by "Dateline" correspondents that answers the question they most often get asked - what their most memorable story is and why.

When Melissa Henderson is found dead in her bed, a perplexing mystery ensues; her husband and family believe her death is from natural causes, but the clues lead investigators to a secret life of spying and jealousy and ultimately to a killer.

Jack Rains, an 83-year-old veteran and retired State Trooper, is gunned down at his kitchen table, shot five times in the back of the head; his family and the community are stunned as detectives uncover a tangled web of secrets, misdeeds and deceit.

When Courtney Copeland is shot and killed, his mother investigates whether police detectives did enough to try to solve the case.

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.

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.

The mysterious death of a young mother in Ohio and the ensuing investigation that spans years and multiple states.

A series of reports chosen by "Dateline" correspondents that answers the question they most often get asked - what their most memorable story is and why.

When Melissa Henderson is found dead in her bed, a perplexing mystery ensues; her husband and family believe her death is from natural causes, but the clues lead investigators to a secret life of spying and jealousy and ultimately to a killer.

Jack Rains, an 83-year-old veteran and retired State Trooper, is gunned down at his kitchen table, shot five times in the back of the head; his family and the community are stunned as detectives uncover a tangled web of secrets, misdeeds and deceit.

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

A 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.

In Vancouver, Wash., a young couple's neighbor violates the strict codes of community conduct in their housing development.

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

In Oregon, a couple learns their new neighbor has a deadly past, then relations sour, tempers flare and blood is spilled.

In Vancouver, Wash., a young couple's neighbor violates the strict codes of community conduct in their housing development.

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

A 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.

When Nichole Payne and her son Taylor are found dead in their home, it takes nearly a decade to unravel what happened; now, Nichole's children share what they saw the day their mother and brother were murdered.

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

In Oregon, a couple learns their new neighbor has a deadly past, then relations sour, tempers flare and blood is spilled.

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.

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

An immigrant from Pakistan is found brutally murdered inside his Washington, D.C., pizzeria; given the lack of forced entry, investigators believe he knew his killer and a plot involving marriage fraud surfaces, leading to a deadly crime of passion.

Revisiting homicide cases that took place during spring break, investigating a murder and revealing the dark side of a holiday that should usually be a carefree time.

A seaside home becomes the scene of a gruesome double homicide when a couple is found dead during a welfare check; after video evidence surfaces, investigators race to identify the killer and uncover a ruthless murder plot fueled by revenge.

When Nichole Payne and her son Taylor are found dead in their home, it takes nearly a decade to unravel what happened; now, Nichole's children share what they saw the day their mother and brother were murdered.

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.

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

An immigrant from Pakistan is found brutally murdered inside his Washington, D.C., pizzeria; given the lack of forced entry, investigators believe he knew his killer and a plot involving marriage fraud surfaces, leading to a deadly crime of passion.

Revisiting homicide cases that took place during spring break, investigating a murder and revealing the dark side of a holiday that should usually be a carefree time.

A seaside home becomes the scene of a gruesome double homicide when a couple is found dead during a welfare check; after video evidence surfaces, investigators race to identify the killer and uncover a ruthless murder plot fueled by revenge.

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 nurse is the main suspect of five bodies found in a wooded area in central Florida.

A search mission for three women missing in Yosemite Park turns to a murder investigation when two are discovered in the trunk of their burned out car.

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.

When police are called to a seemingly routine domestic disturbance at a mansion in Louisville, a bizarre tale unravels after one man reveals a body is buried in the basement.

As police in Tallahassee, Fla. work to solve the case of a young father gunned down in his apartment, they find evidence of a deadly sexual encounter and uncover a vengeful plot, ultimately proving that blood is thicker than water.

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

A small town in Washington is rocked after a local man is found shot in his home; police wonder if his complicated love life played a role until a string of robberies exposes a dangerous couple with a more sinister motive.

A homeowner has high hopes for the renters who move in next door; then, his hopes are dashed, setting the stage for a shocking act of violence that threatens to claim many lives.

Following the investigation into the deaths of billionaire and generic drug mogul Barry Sherman and his philanthropist wife Honey by Toronto Star reporter Kevin Donovan.

Ambitious oil prospectors Steve Martin (James Stewart) and Johnny Gambi (Dan Duryea) enter the quiet fishing village of Port Felicity, La., with big plans that immediately put them at odds with the local fishermen. As the duo build an oil rig just outside the town's vital shrimp beds, they become involved with tempestuous sisters Stella (Joanne Dru) and Francesca (Marcia Henderson), whose attraction to the handsome newcomers is at odds with their love of their hometown.

When police are called to a seemingly routine domestic disturbance at a mansion in Louisville, a bizarre tale unravels after one man reveals a body is buried in the basement.

As police in Tallahassee, Fla. work to solve the case of a young father gunned down in his apartment, they find evidence of a deadly sexual encounter and uncover a vengeful plot, ultimately proving that blood is thicker than water.

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

A small town in Washington is rocked after a local man is found shot in his home; police wonder if his complicated love life played a role until a string of robberies exposes a dangerous couple with a more sinister motive.

A homeowner has high hopes for the renters who move in next door; then, his hopes are dashed, setting the stage for a shocking act of violence that threatens to claim many lives.

Following the investigation into the deaths of billionaire and generic drug mogul Barry Sherman and his philanthropist wife Honey by Toronto Star reporter Kevin Donovan.

Ambitious oil prospectors Steve Martin (James Stewart) and Johnny Gambi (Dan Duryea) enter the quiet fishing village of Port Felicity, La., with big plans that immediately put them at odds with the local fishermen. As the duo build an oil rig just outside the town's vital shrimp beds, they become involved with tempestuous sisters Stella (Joanne Dru) and Francesca (Marcia Henderson), whose attraction to the handsome newcomers is at odds with their love of their hometown.

The Atlanta club scene is shaken when the wife of a popular DJ is executed in her sleep; detectives must determine if the victim had any enemies or if her murder was part of a string of killings stemming from her husband's high-profile job.

A woman in an exclusive Atlanta neighborhood is shot in her bedroom while calling 911; when detectives investigate the crime, they discover that her murder is related to an elaborate crime ring that upends the sense of safety in this tranquil hamlet.

Criminal strategies evolve constantly; the Alcatraz escape in 1962 demonstrates early ingenuity; the discovery of heavily armored drug tanks in 2023 reveals advanced methods.

Leonardo Notarbartolo's audacious Antwerp Diamond Heist; the sophisticated gunsmithing operations fueling Mexican cartels; the eerie underground bone factory in West Bengal.

A killer who leaves messages signed "Jack" terrorizes East Point, Ga.

Police discover a murdered teenage girl was involved in a love triangle.

When police are called to a seemingly routine domestic disturbance at a mansion in Louisville, a bizarre tale unravels after one man reveals a body is buried in the basement.

As police in Tallahassee, Fla. work to solve the case of a young father gunned down in his apartment, they find evidence of a deadly sexual encounter and uncover a vengeful plot, ultimately proving that blood is thicker than water.

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

A small town in Washington is rocked after a local man is found shot in his home; police wonder if his complicated love life played a role until a string of robberies exposes a dangerous couple with a more sinister motive.

In Harlem, N.Y., a couple discovers it's not better to have the upstairs apartment.

The building of a backyard shed destroys a yearslong, close relationship between two neighbors and ignites a vicious conflict that sees property destroyed, pets killed, and finally two people shot to death in cold blood.

A Detroit man wishes his neighbor lived on the opposite end of 8 Mile Road.

The Atlanta club scene is shaken when the wife of a popular DJ is executed in her sleep; detectives must determine if the victim had any enemies or if her murder was part of a string of killings stemming from her husband's high-profile job.

A woman in an exclusive Atlanta neighborhood is shot in her bedroom while calling 911; when detectives investigate the crime, they discover that her murder is related to an elaborate crime ring that upends the sense of safety in this tranquil hamlet.

From grieving family and friends to jilted lovers and eyewitnesses, investigators pore over every detail and discrepancy to uncover motives for murder, along with the reason for suppressing key pieces of evidence.

A killer who leaves messages signed "Jack" terrorizes East Point, Ga.

Police discover a murdered teenage girl was involved in a love triangle.

The Atlanta club scene is shaken when the wife of a popular DJ is executed in her sleep; detectives must determine if the victim had any enemies or if her murder was part of a string of killings stemming from her husband's high-profile job.

A woman in an exclusive Atlanta neighborhood is shot in her bedroom while calling 911; when detectives investigate the crime, they discover that her murder is related to an elaborate crime ring that upends the sense of safety in this tranquil hamlet.

From grieving family and friends to jilted lovers and eyewitnesses, investigators pore over every detail and discrepancy to uncover motives for murder, along with the reason for suppressing key pieces of evidence.

Leonardo Notarbartolo's audacious Antwerp Diamond Heist; the sophisticated gunsmithing operations fueling Mexican cartels; the eerie underground bone factory in West Bengal.

Based on true crimes solved by an elite team of investigators, "Forensic Factor" details the trade secrets used by the world's best sleuths to nab the most elusive criminals, with re-enactments of crucial incidents and firsthand accounts from the experts providing depth and insight.

Each episode of this true-crime reality series examines a different felon, usually a female, who has committed murder or attempted murder. The victim is usually the perpetrator's partner. The documentary-style series features interviews with friends and family members of the accused and victims, law-enforcement officials, attorneys and other people with first-hand knowledge of the cases.

Neighbors turn against each other with frightful consequences.

Based on true crimes solved by an elite team of investigators, "Forensic Factor" details the trade secrets used by the world's best sleuths to nab the most elusive criminals, with re-enactments of crucial incidents and firsthand accounts from the experts providing depth and insight.

Neighbors turn against each other with frightful consequences.

Neighbors turn against each other with frightful consequences.

Based on true crimes solved by an elite team of investigators, "Forensic Factor" details the trade secrets used by the world's best sleuths to nab the most elusive criminals, with re-enactments of crucial incidents and firsthand accounts from the experts providing depth and insight.

Each episode of this true-crime reality series examines a different felon, usually a female, who has committed murder or attempted murder. The victim is usually the perpetrator's partner. The documentary-style series features interviews with friends and family members of the accused and victims, law-enforcement officials, attorneys and other people with first-hand knowledge of the cases.

A Philadelphia murder reveals decades of misconduct in the city's criminal justice system and raises questions aout whether police caught the right person; key insiders in the case speak out for the first time on national television.

Neighbors turn against each other with frightful consequences.

Based on true crimes solved by an elite team of investigators, "Forensic Factor" details the trade secrets used by the world's best sleuths to nab the most elusive criminals, with re-enactments of crucial incidents and firsthand accounts from the experts providing depth and insight.

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

"Dateline" has been a staple of the newsmagazine genre since premiering in 1992. Given how long it's been on the air, the show has an extensive archive of in-depth news stories and investigative journalism. This syndicated version offers viewers another chance to watch some of the show's previous content, serving up real-life mysteries and in-depth investigations from the show's 20-plus years on the air. Cases involving murders and missing people are frequent topics on the series that has won multiple Emmys in the news and documentary category.

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.

Each episode of this true-crime reality series examines a different felon, usually a female, who has committed murder or attempted murder. The victim is usually the perpetrator's partner. The documentary-style series features interviews with friends and family members of the accused and victims, law-enforcement officials, attorneys and other people with first-hand knowledge of the cases.

When a young mother disappears after leaving her infant in the care of her local pastor and his wife, Florida detectives search for her for five years, uncovering a web of secrets and lies.

Each episode of this true-crime reality series examines a different felon, usually a female, who has committed murder or attempted murder. The victim is usually the perpetrator's partner. The documentary-style series features interviews with friends and family members of the accused and victims, law-enforcement officials, attorneys and other people with first-hand knowledge of the cases.

A manipulative woman enlists her father to carry out her devious plan to kill her ex-husband.

"Dateline" has been a staple of the newsmagazine genre since premiering in 1992. Given how long it's been on the air, the show has an extensive archive of in-depth news stories and investigative journalism. This syndicated version offers viewers another chance to watch some of the show's previous content, serving up real-life mysteries and in-depth investigations from the show's 20-plus years on the air. Cases involving murders and missing people are frequent topics on the series that has won multiple Emmys in the news and documentary category.

A cherished grandmother is found murdered in her Bronx apartment; Barbara Butcher returns to the scene to retrace every step - and decode how the victim's body holds clues to a carefully hidden motive.

"Deadly Cults" dives into unhinged murder cases in which investigators uncover and expose the dark world of cults that kill. These four-hour long episodes look at a variety of things, including a self-proclaimed prophet who convinces his followers to murder an innocent family, and a vampire coven searching for a sacrifice. The series explores how power and manipulation can lead to extreme actions. Each case is recounted through interviews with investigators, former cult leaders, and the family and friends closest to the victims. Look behind the eyes of cult leaders and the psychology behind them as they exploit fear and hatred in their followers' minds and hearts.

"Dateline" has been a staple of the newsmagazine genre since premiering in 1992. Given how long it's been on the air, the show has an extensive archive of in-depth news stories and investigative journalism. This syndicated version offers viewers another chance to watch some of the show's previous content, serving up real-life mysteries and in-depth investigations from the show's 20-plus years on the air. Cases involving murders and missing people are frequent topics on the series that has won multiple Emmys in the news and documentary category.

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.

Each episode of this true-crime reality series examines a different felon, usually a female, who has committed murder or attempted murder. The victim is usually the perpetrator's partner. The documentary-style series features interviews with friends and family members of the accused and victims, law-enforcement officials, attorneys and other people with first-hand knowledge of the cases.

When a young mother disappears after leaving her infant in the care of her local pastor and his wife, Florida detectives search for her for five years, uncovering a web of secrets and lies.

Each episode of this true-crime reality series examines a different felon, usually a female, who has committed murder or attempted murder. The victim is usually the perpetrator's partner. The documentary-style series features interviews with friends and family members of the accused and victims, law-enforcement officials, attorneys and other people with first-hand knowledge of the cases.

"Dateline" has been a staple of the newsmagazine genre since premiering in 1992. Given how long it's been on the air, the show has an extensive archive of in-depth news stories and investigative journalism. This syndicated version offers viewers another chance to watch some of the show's previous content, serving up real-life mysteries and in-depth investigations from the show's 20-plus years on the air. Cases involving murders and missing people are frequent topics on the series that has won multiple Emmys in the news and documentary category.

A manipulative woman enlists her father to carry out her devious plan to kill her ex-husband.

A cherished grandmother is found murdered in her Bronx apartment; Barbara Butcher returns to the scene to retrace every step - and decode how the victim's body holds clues to a carefully hidden motive.

"Deadly Cults" dives into unhinged murder cases in which investigators uncover and expose the dark world of cults that kill. These four-hour long episodes look at a variety of things, including a self-proclaimed prophet who convinces his followers to murder an innocent family, and a vampire coven searching for a sacrifice. The series explores how power and manipulation can lead to extreme actions. Each case is recounted through interviews with investigators, former cult leaders, and the family and friends closest to the victims. Look behind the eyes of cult leaders and the psychology behind them as they exploit fear and hatred in their followers' minds and hearts.

Based on true crimes solved by an elite team of investigators, "Forensic Factor" details the trade secrets used by the world's best sleuths to nab the most elusive criminals, with re-enactments of crucial incidents and firsthand accounts from the experts providing depth and insight.

Each episode of this true-crime reality series examines a different felon, usually a female, who has committed murder or attempted murder. The victim is usually the perpetrator's partner. The documentary-style series features interviews with friends and family members of the accused and victims, law-enforcement officials, attorneys and other people with first-hand knowledge of the cases.

Neighbors turn against each other with frightful consequences.

Based on true crimes solved by an elite team of investigators, "Forensic Factor" details the trade secrets used by the world's best sleuths to nab the most elusive criminals, with re-enactments of crucial incidents and firsthand accounts from the experts providing depth and insight.

Neighbors turn against each other with frightful consequences.

Neighbors turn against each other with frightful consequences.

Based on true crimes solved by an elite team of investigators, "Forensic Factor" details the trade secrets used by the world's best sleuths to nab the most elusive criminals, with re-enactments of crucial incidents and firsthand accounts from the experts providing depth and insight.

Each episode of this true-crime reality series examines a different felon, usually a female, who has committed murder or attempted murder. The victim is usually the perpetrator's partner. The documentary-style series features interviews with friends and family members of the accused and victims, law-enforcement officials, attorneys and other people with first-hand knowledge of the cases.

Neighbors turn against each other with frightful consequences.

An advocate for missing and murdered Indigenous women searches for answers in the disappearance of her niece and exposes cracks in law enforcement.

Based on true crimes solved by an elite team of investigators, "Forensic Factor" details the trade secrets used by the world's best sleuths to nab the most elusive criminals, with re-enactments of crucial incidents and firsthand accounts from the experts providing depth and insight.

"Dateline" has been a staple of the newsmagazine genre since premiering in 1992. Given how long it's been on the air, the show has an extensive archive of in-depth news stories and investigative journalism. This syndicated version offers viewers another chance to watch some of the show's previous content, serving up real-life mysteries and in-depth investigations from the show's 20-plus years on the air. Cases involving murders and missing people are frequent topics on the series that has won multiple Emmys in the news and documentary category.

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

Each episode of this true-crime reality series examines a different felon, usually a female, who has committed murder or attempted murder. The victim is usually the perpetrator's partner. The documentary-style series features interviews with friends and family members of the accused and victims, law-enforcement officials, attorneys and other people with first-hand knowledge of the cases.

Each episode of this true-crime reality series examines a different felon, usually a female, who has committed murder or attempted murder. The victim is usually the perpetrator's partner. The documentary-style series features interviews with friends and family members of the accused and victims, law-enforcement officials, attorneys and other people with first-hand knowledge of the cases.

When a young Army medic based at Ft. Bragg, N.C., goes missing, police can't solve the case despite having a suspect until an unorthodox private investigator steps in to help.

A son becomes the prime suspect when he reports finding his mother stabbed to death in their home in a gated community in Davie, Fla.; detectives must determine if seemingly obvious clues really point to him - or in another direction.

A look at the most captivating pop-culture moments, trends and personalities of the decade through interviews with people who studied the time period.

Johnny K-9 leads a double life as an in-ring brute and the leader of a biker gang implicated in drug trafficking, the bombing of a police station, and a gruesome double murder.

An advocate for missing and murdered Indigenous women searches for answers in the disappearance of her niece and exposes cracks in law enforcement.

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.

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 young Army medic based at Ft. Bragg, N.C., goes missing, police can't solve the case despite having a suspect until an unorthodox private investigator steps in to help.

A son becomes the prime suspect when he reports finding his mother stabbed to death in their home in a gated community in Davie, Fla.; detectives must determine if seemingly obvious clues really point to him - or in another direction.

A look at the most captivating pop-culture moments, trends and personalities of the decade through interviews with people who studied the time period.

Johnny K-9 leads a double life as an in-ring brute and the leader of a biker gang implicated in drug trafficking, the bombing of a police station, and a gruesome double murder.

Police must use forensic science to solve the mystery of a prominent businessman whose burnt body is discovered.

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.

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

Police must use forensic science to solve the mystery of a prominent businessman whose burnt body is discovered.

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

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

Police must use forensic science to solve the mystery of a prominent businessman whose burnt body is discovered.

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.

Ohio investigators search for answers in the decades-old murder of 10-year-old Amy Mihaljevic; a retracing of Amy's steps from the day of the kidnapping.

Police must use forensic science to solve the mystery of a prominent businessman whose burnt body is discovered.

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

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.

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

For more than 30 years, "Dateline" has brought viewers investigations into some of biggest mysteries in America. This entry in the franchise takes a second look at some of the most mysterious cases of recent history. Hosted by Emmy-winning journalist Craig Melvin, the show explores the stories through firsthand accounts told by people who are close to the crime, including investigators who dedicated their time to the cases and family members who are still trying to confront the tragedies that befell their loved ones.

Investigators focus on her husband as the main suspect when a woman is found dead at the bottom of her staircase, but family and friends rally behind him.

When a successful family man is discovered in the rubble of a deadly explosion, investigators desperately try to determine if it was a planned hit, an attempted terrorist attack, or something else...

Ohio investigators search for answers in the decades-old murder of 10-year-old Amy Mihaljevic; a retracing of Amy's steps from the day of the kidnapping.

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.

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

For more than 30 years, "Dateline" has brought viewers investigations into some of biggest mysteries in America. This entry in the franchise takes a second look at some of the most mysterious cases of recent history. Hosted by Emmy-winning journalist Craig Melvin, the show explores the stories through firsthand accounts told by people who are close to the crime, including investigators who dedicated their time to the cases and family members who are still trying to confront the tragedies that befell their loved ones.

Investigators focus on her husband as the main suspect when a woman is found dead at the bottom of her staircase, but family and friends rally behind him.

When a successful family man is discovered in the rubble of a deadly explosion, investigators desperately try to determine if it was a planned hit, an attempted terrorist attack, or something else...

A phantom white supremacist sect takes credits for bombings and bank robberies in Spokane, Wash., but FBI forensic photo analysts clears the picture.

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

A phantom white supremacist sect takes credits for bombings and bank robberies in Spokane, Wash., but FBI forensic photo analysts clears the picture.

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

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

A phantom white supremacist sect takes credits for bombings and bank robberies in Spokane, Wash., but FBI forensic photo analysts clears the picture.

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.

Details expose how the Gucci family was undone by jealousy, backstabbing, and, ultimately, an act of murder; insiders close to the fashion empire speak out about the murder of a prominent family member.

A phantom white supremacist sect takes credits for bombings and bank robberies in Spokane, Wash., but FBI forensic photo analysts clears the picture.

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

After 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.

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.

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

A series of reports chosen by "Dateline" correspondents that answers the question they most often get asked - what their most memorable story is and why.

Popular teacher and single mom, Bianca Tanner, is embarking on a new chapter in her life with multiple admirers, when she suddenly vanishes; to uncover her fate, detectives investigate each suitor to determine who is genuine and who is a killer.

Popular TV anchor, Diane King, is a local celebrity, passionate advocate and a loving wife and mother; when she gets murdered in her driveway, however, the investigation reveals a twisted tale of sex, lies and stalking.

Details expose how the Gucci family was undone by jealousy, backstabbing, and, ultimately, an act of murder; insiders close to the fashion empire speak out about the murder of a prominent family member.

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.

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.

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

A series of reports chosen by "Dateline" correspondents that answers the question they most often get asked - what their most memorable story is and why.

Popular teacher and single mom, Bianca Tanner, is embarking on a new chapter in her life with multiple admirers, when she suddenly vanishes; to uncover her fate, detectives investigate each suitor to determine who is genuine and who is a killer.

Popular TV anchor, Diane King, is a local celebrity, passionate advocate and a loving wife and mother; when she gets murdered in her driveway, however, the investigation reveals a twisted tale of sex, lies and stalking.

When the prime subject for four factory deaths has a perfect alibi, investigators use video analysis, timeline reconstruction and a 3-year old fingerprint to solve the crime.

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.

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

When the prime subject for four factory deaths has a perfect alibi, investigators use video analysis, timeline reconstruction and a 3-year old fingerprint to solve the crime.

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

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

When the prime subject for four factory deaths has a perfect alibi, investigators use video analysis, timeline reconstruction and a 3-year old fingerprint to solve the crime.

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.

Eleven years after Connecticut mother Donna Palomba is raped in her home, investigators finally track down her attacker; Donna speaks out about the case, including her fight to keep her assailant from walking free.

When the prime subject for four factory deaths has a perfect alibi, investigators use video analysis, timeline reconstruction and a 3-year old fingerprint to solve the crime.

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

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.

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.

Rapper Meek Mill interview; exploring controversies surrounding the criminal justice system, including the parole system, wrongful convictions, challenges faced by law enforcement, alleged police abuse and more.

Texas police investigating the stabbing death of a mother uncover a bizarre scene: poisoned pudding, cell phones submerged in water, and a bathtub rigged for electrocution; in the end, a disturbing plan is revealed, driven by a young love gone wrong.

Convicted killer Misook Wang sits down to detail her mother-in-law's murder; Wang's ex-lover comes forward to discuss his daughter's death, and why he thinks Wang was involved.

Eleven years after Connecticut mother Donna Palomba is raped in her home, investigators finally track down her attacker; Donna speaks out about the case, including her fight to keep her assailant from walking free.

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.

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.

Rapper Meek Mill interview; exploring controversies surrounding the criminal justice system, including the parole system, wrongful convictions, challenges faced by law enforcement, alleged police abuse and more.

Texas police investigating the stabbing death of a mother uncover a bizarre scene: poisoned pudding, cell phones submerged in water, and a bathtub rigged for electrocution; in the end, a disturbing plan is revealed, driven by a young love gone wrong.

Convicted killer Misook Wang sits down to detail her mother-in-law's murder; Wang's ex-lover comes forward to discuss his daughter's death, and why he thinks Wang was involved.

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.

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.

The sudden and violent death of a young teenage mom in Santa Fe uncovers a love triangle; while detectives have multiple suspects in their grasp, they are taken aback when the true murderer shows up on camera.

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

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

A 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.

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.

The sudden and violent death of a young teenage mom in Santa Fe uncovers a love triangle; while detectives have multiple suspects in their grasp, they are taken aback when the true murderer shows up on camera.

After a young man is found shot to death on the banks of a Georgia river, investigators trace the murder back to individuals who share his Gothic lifestyle and uncover a romantic rivalry driven by manipulation.

A house fire in Louisville, Ky., sparks a murder investigation when detectives find two local men brutally stabbed to death; the search for the killer reveals a toxic romance between two lovers willing to risk it all to get what they desire.

An elderly veteran is nowhere to be found after his house suddenly bursts into flames in Tucson, Ariz., causing authorities to kickstart a nationwide manhunt to catch a desperate couple on the run not once, but twice.