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Dateline NBC
A couple is murdered shortly after their wedding and police suspect a family feud is the cause; Josh Mankiewicz looks back at what started the dispute that left him floored.
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Dateline NBC
A similar abduction in New Mexico helps crack the case of a 19-year-old missing college student in Oregon.
Dateline NBC
Through new interviews with insiders, take a look into Manson's world; learn how a career-criminal convinced his followers to kill innocent victims and deliver him the fame he craved.
Dateline NBC
A woman seeks the truth when her whirlwind romance turns into a mystery with government agents, cryptic messages and international spies.
Dateline NBC
A woman seeks the truth when her whirlwind romance turns into a mystery with government agents, cryptic messages and international spies.
Dateline NBC
A cold-case investigator helps police determine what happened to a missing woman.
Dateline NBC
On a family hunting trip in Newfoundland, a man is shot to death.
Dateline NBC
The missing-persons case of 12-year-old Jonelle Matthews in Colorado remained a mystery for more than three decades until detectives narrowed in on a suspect whose bizarre behavior after her disappearance hinted at something much more sinister.
Dateline NBC
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.
Dateline NBC
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.
Dateline NBC
When a young woman is found dead near a soccer field in Indiana, detectives try to piece together a puzzle that leads them to an unexpected suspect.
Dateline NBC
A young Tennessee woman mysteriously vanishes and misses her family's Thanksgiving dinner; determined to track her down, her family takes matters into their own hands, pursuing every digital clue she left behind.
Dateline NBC
Police suspect a serial killer when two women and their teenage daughters are murdered in Maryland; during the search for clues, it's revealed that a master thief is the key to solving the mystery.
Dateline NBC
When a young woman finds out that her boyfriend might have shot and killed a college football player out of revenge, she struggles with coming forward to officials, fearing she could lose her life.
Dateline NBC
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.
Dateline NBC
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.
Dateline NBC
After a plastic surgeon and local musician is murdered in his Asheville, N.C., home, investigators uncover a trail of clues pointing to an unlikely killer; new details emerge from exclusive TV interviews with insiders close to the case.
Dateline NBC
The investigation into a newlywed's murder starts with a widow and ends with a possible serial killer.
Dateline NBC
A murder case considered closed by North Dakota detectives is suddenly reopened when a confidential informant comes forward with a tip about an unlikely suspect.
Dateline NBC
A murder case considered closed by North Dakota detectives is suddenly reopened when a confidential informant comes forward with a tip about an unlikely suspect.
Dateline NBC
A woman finds herself on the wrong side of the law after she accuses her boyfriend of rape.
Dateline NBC
The FBI gets involved when a Virginia man's wife and son are kidnapped while vacationing in the Philippines, with a terrorist group demanding millions in ransom.
Dateline NBC
The Valseca siblings' lives are changed when their father is taken hostage in an orchestrated abduction.
Dateline NBC
The disappearance of a 20-year-old honors student causes her family to fear the worst; decades later, the mystery is solved.
Dateline NBC
A wife and mother survives an attack in her home and a shot to the head; authorities search for a motive.
Dateline NBC
Computer antivirus pioneer John McAfee -- who remains a person of interest in a murder investigation -- discusses his new business and why he decided to stop running from the law.
Dateline NBC
When one woman breaks off her relationship with a boyfriend she says abused and stalked her, he moves on to something even worse.
Dateline NBC
A beloved former firefighter is found dead in his garage; a neighbor's home security camera may provide answers.
Dateline NBC
When a scientist is murdered in his home, detectives try to figure out why his wife and son were left unharmed.
Dateline NBC
The disappearance of a young woman from Bend, Ore., leads to an intense manhunt after the suspect embarks on a two state crime spree.
Dateline NBC
Police initially suspect natural causes as they investigate a man's death, until they learn about an unconventional love triangle, which points the investigation in a new direction.
Dateline NBC
The investigation into the death of a pregnant woman just months after she wed her high school sweetheart reveals secret lives and feuds.
Dateline NBC
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.
Dateline NBC
When a hard-charging boss in Arizona is shot to death, police uncover a complex web of bruised egos in his professional life and a trail of broken hearts in his personal life.
Dateline NBC
Melissa Oxley wakes up to find her husband, Ben Oxley, has been shot in the head.
Dateline NBC
When 18-year-old Anjelica "AJ" Hadsell disappears, the investigation into her inner circle reveals a sinister betrayal; featuring interviews with AJ's stepfather Wesley Hadsell and two of her friends.
Dateline NBC
The missing-persons case of 12-year-old Jonelle Matthews in Colorado remained a mystery for more than three decades until detectives narrowed in on a suspect whose bizarre behavior after her disappearance hinted at something much more sinister.
Dateline NBC
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.
Dateline NBC
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.
Dateline NBC
When a young woman is found dead near a soccer field in Indiana, detectives try to piece together a puzzle that leads them to an unexpected suspect.
Dateline NBC
A young Tennessee woman mysteriously vanishes and misses her family's Thanksgiving dinner; determined to track her down, her family takes matters into their own hands, pursuing every digital clue she left behind.
Dateline NBC
Police suspect a serial killer when two women and their teenage daughters are murdered in Maryland; during the search for clues, it's revealed that a master thief is the key to solving the mystery.
Dateline NBC
When a young woman finds out that her boyfriend might have shot and killed a college football player out of revenge, she struggles with coming forward to officials, fearing she could lose her life.
Dateline NBC
The residents of a glamorous resort town are shocked when a well-known woman from a prominent family is found dead in her home.
Dateline NBC
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.
Dateline NBC
A man who was recently acquitted of the murder of his ex-girlfriend's 12-year-old son tells his story; interview with the victim's mother and key players in the case.
Dateline NBC
Two Tulsa brothers fight for more than 20 years to prove their innocence after they were wrongfully convicted for separate murders.
Dateline NBC
A matriarch's death leads to a prominent family from Texas being torn apart by decades of betrayal, greed and mistrust.
Dateline NBC
Friends of accused murderer Robert Durst talk about his recent arrest in New Orleans and his whereabouts over the past 30 years.
Dateline NBC
A mother's death initially appears to be a suicide, but when investigators start to interview those closest to her, an evil plot emerges.
Dateline NBC
The Valseca siblings' lives are changed when their father is taken hostage in an orchestrated abduction.
Dateline NBC
The disappearance of a 20-year-old honors student causes her family to fear the worst; decades later, the mystery is solved.
Dateline NBC
A wife and mother survives an attack in her home and a shot to the head; authorities search for a motive.
Dateline NBC
Computer antivirus pioneer John McAfee -- who remains a person of interest in a murder investigation -- discusses his new business and why he decided to stop running from the law.
Dateline NBC
When one woman breaks off her relationship with a boyfriend she says abused and stalked her, he moves on to something even worse.
Dateline NBC
A beloved former firefighter is found dead in his garage; a neighbor's home security camera may provide answers.
Dateline NBC
When a scientist is murdered in his home, detectives try to figure out why his wife and son were left unharmed.
Dateline NBC
The disappearance of a young woman from Bend, Ore., leads to an intense manhunt after the suspect embarks on a two state crime spree.
Dateline NBC
Police initially suspect natural causes as they investigate a man's death, until they learn about an unconventional love triangle, which points the investigation in a new direction.
Dateline NBC
The investigation into the death of a pregnant woman just months after she wed her high school sweetheart reveals secret lives and feuds.
Dateline NBC
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.
Dateline NBC
When a hard-charging boss in Arizona is shot to death, police uncover a complex web of bruised egos in his professional life and a trail of broken hearts in his personal life.
Dateline NBC
Melissa Oxley wakes up to find her husband, Ben Oxley, has been shot in the head.
Dateline NBC
When 18-year-old Anjelica "AJ" Hadsell disappears, the investigation into her inner circle reveals a sinister betrayal; featuring interviews with AJ's stepfather Wesley Hadsell and two of her friends.
Dateline NBC
The disappearance of two teenagers brings together two families in a common journey for justice; what California is doing to prevent a similar tragedy.
Dateline NBC
Rocky Mountain National Park rangers question whether a woman's fatal fall was an accident or the result of an act of violence.
Dateline NBC
When a woman is found dead in her SUV, the investigation into her murder reveals a tangled web of sex and lies; interviews about the prominent family's dark secrets.
Dateline NBC
A beauty queen's murder shocks a small Arkansas town.
Dateline NBC
When Ohio mother Heather Bogle goes missing, a detective identifies multiple suspects, until he himself comes under scrutiny for his investigation.
Dateline NBC
A woman's death is initially ruled a suicide, but when a new investigation begins, police begin to suspect murder.
Dateline NBC
A woman's story about an abduction and murder helps reopen a decades-old case that has weighed heavy on a New York town.
Dateline NBC
The Valseca siblings' lives are changed when their father is taken hostage in an orchestrated abduction.
Dateline NBC
The disappearance of a 20-year-old honors student causes her family to fear the worst; decades later, the mystery is solved.
Dateline NBC
A wife and mother survives an attack in her home and a shot to the head; authorities search for a motive.
Dateline NBC
Computer antivirus pioneer John McAfee -- who remains a person of interest in a murder investigation -- discusses his new business and why he decided to stop running from the law.
Dateline NBC
When one woman breaks off her relationship with a boyfriend she says abused and stalked her, he moves on to something even worse.
Dateline NBC
A beloved former firefighter is found dead in his garage; a neighbor's home security camera may provide answers.
Dateline NBC
When a scientist is murdered in his home, detectives try to figure out why his wife and son were left unharmed.
Dateline NBC
The disappearance of a young woman from Bend, Ore., leads to an intense manhunt after the suspect embarks on a two state crime spree.