When a young, handsome veterinarian is found dead in his home in Montana, the mystery remains unsolved for nearly two decades.

Mystery in Big Sky Country

Lester Holt

Plot Twist

Internal Affairs

An arrest is finally made five years after a mother of four disappeared while she was close to her apartment in Montana.

Footprint in the dust

Authorities take two years and three trials to solve the shooting death of the wife of an FBI agent in the kitchen of her family's Virginia home.

The Agent's Wife

When a woman returns two days after being reported abducted, authorities believe it's a hoax until a similar crime forces them to take another look; twenty-seven women who have accused Bill Cosby of assault get together to share their stories.

Twisted Tale

Twenty-seven women who have accused Bill Cosby of assault get together to share their stories.

The Cosby Accusers Speak

Ten years after a 16-year-old boy confessed to a double murder and was sentenced to life in prison, a local businessman tries to prove the confession was coerced and the teen was wrongfully convicted.

The Confession

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

The Tipping Point

Iowa, 2013: Carrie Elaine Olson goes missing and the current boyfriend and ex-boyfriend are suspects. Circumstantial evidence starts mounting and pointing to one suspect.

Without a Trace: Carrie Olson

Natalie Morales speaks to the mother of the teenage sexual assault victim from St. Paul's School; new details from both sides of the case, Owen Labrie's conviction and sentencing, and interviews with Labrie's friends and legal team.

One Spring Night

When detectives track down the killer of a Las Vegas cocktail waitress and mother, it becomes clear that the investigation has just begun.

Under a Full Moon

Terror in Paris

A model with a checkered past goes under cover to reveal the truth about a cold case involving a romantic getaway on a boat that ended with a woman being lost at sea.

Troubled Waters

A tale of obsession, revenge and unrequited love is revealed when police investigate the murder of a doctor who is found dead in his Texas home.

Obsession in the Lone Star State

The five-year investigation into the death of a retired corrections officer, who was killed by antifreeze poisoning, reveals multiple suspects.

Something Sweet

When a graduate student is shot dead outside of her North Carolina home, a 911 caller leads detectives to believe the victim's fiance is the key to solving the case.

Rachel Buffett, whose former fiance, Daniel Wozniak, was convicted of two grisly murders, talks about being at the center of the investigation.

Stacy and Jason Bingham discuss their five children's health issues as one child undergoes a second heart transplant and another child's heart begins to fail.

Where the Heart Is

Stories from the people who were egregiously harmed by the actions of Michigan oncologist Farid Fata, who pleaded guilty to fraud, conspiracy and money laundering; how Fata's lies were exposed.

Do No Harm

The 2015 retrial of Russell Faria, who was convicted years earlier for murdering his wife, reveals surprising new allegations

Return to Game Night

Now exonerated, Eric Glisson discusses the 18 years he spent in prison for a murder he did not commit.

In the Shadow of Justice: A Bronx Tale

The controversial conviction of Steven Avery -- who was previously exonerated after spending 18 years in prison for a sexual assault he did not commit -- in the murder case of Teresa Halbach.

The State of Wisconsin vs Steven A. Avery

A thump heard by the children in a Carlsbad, Calif., home one summer morning is the first clue in a shocking mystery involving family secrets.

The House on Badger Lane

The investigation into the death of a Florida firefighter reveals a tale of secrets, lies and infidelity.

Tangled Web

Detectives suspect an inside job when a coin collector and his wife are found dead in their home with no sign of forced entry or evidence of theft.

The Collector

When 21 year old student Jamie Hart is found murdered along a Texas road , detectives begin the hunt for her killer.

The Face of Evil

Robert Davis, who was convicted of murdering a woman and her son, claims his confession was coerced and tries to prove he is innocent.

The Interrogation

The mystery of a Florida hotel owner's disappearance confounds family, friends and the detectives investigating the case.

A Place on the Sand

The drug-related death of a 17-year-old girl sheds light on a new class of synthetic drugs that has law enforcement agencies on alert.

One Small Dose

Prosecutor Marcia Clark reveals details about the trial of O.J. Simpson; interviews include Kris Jenner, Denise Brown, Fred Goldman, Kim Goldman, Kato Kaelin, Skip Junis, and Bob Costas.

The People vs. O.J. Simpson: What the Jury Never Heard

When a couple in rural South Carolina is brutally murdered in their home, the investigation into who committed this heinous act tears a family apart. Dennis Murphy reports.

The Deed

High Desert Mystery

An Army captain, back from serving abroad, is found dead in her El Paso home. The news stuns her tight-knit military community. Her husband has an alibi, but what about her family and friends? Andrea Canning reports on a case with many twists and turns.

Deadly Devotion

Keith Morrison reports on a Chicago woman from a large family missing for several days. As the whole city joins in the search, detectives begin to suspect that a man in her life has many secrets.

Smoke and Mirrors

A wife reports a prowler and shots fired in her backyard. Her husband, an Olympic bronze medalist, is dead. Was it murder, or an act of self-defense? Keith Morrison reports.

The Hometown Hero & the Homecoming Queen

Before time runs out, detectives race to find a Little Rock, Ark., realtor who went missing after showing a house.

The Client

Dennis Murphy reports on a house fire that breaks out in the middle of the night in Kentucky. When Julie Griffith is found dead amongst the rubble, investigators soon discover the fire was anything but an accident. Keith Morrison reports.

Consumed

After a sudden marriage creates tension between two families, a murder exposes secrets, lies and a long-buried mystery.

Tangled

Detectives race to find a Little Rock, Ark., realtor who went missing after showing a house.

Episode 40

A Cornell student and star athlete gets caught in the middle of a homicide investigation.

House of Secrets

A hairdresser-turned-detective uncovers the truth behind the murder of a teenage girl in Utah.

The Girl with the Red Shoes

The security cameras at a woman's home may hold the key to solving the mystery of her disappearance.

The House on Sidney's Cove

Police in a small Texas town believe a man may be behind the shooting deaths of his wife and her son in their home

The Trouble in Quitman

A woman's story about an abduction and murder helps reopen a decades-old case that has weighed heavy on a New York town.

The Informant

Four years after a 28-year-year old's death, a jury must decide if it was suicide or murder.

After the Party

When a woman is found dead inside her Jacksonville Beach apartment, police hope they’ll quickly find her killer. Instead, it takes more than a year to solve their case. Andrea Canning reports.

Rear Window

A man dies in a shooting incident after tempers flare in a confrontation in Montana's Glacier National Park.

The Feud

Martha Moxley is murdered in 1975 after attending a party at the Skakel home, relatives of the famous Kennedy political family. Examines Michael's 2002 conviction and 2013 release and alternate proposed suspects

The Murder Of Martha Moxley

Crimes committed by Charles Manson and his followers in 1969.

Manson

The investigation into a newlywed's disappearance focuses on her job as a CIA employee as a possible clue.

Missing Marie

People involved in the investigation of the 1996 murder of 6-year-old JonBenét Ramsey discuss the case; case documents made public for the first time; footage of the police interview with JonBenét's brother.

Who Killed JonBenét

California, 2011: Chris Northam Sr. was shot twice in the warehouse of his business. The suspect list is large and includes angry investors, disgruntled employees and ex-lovers. The case stalls. Then someone comes forward with a bombshell.

Family Secrets

The family of a young woman found dead in the Montana wilderness spends decades in pursuit of justice. Keith Morrison reports.

The Reckoning

Dateline NBC, or simply Dateline, is a weekly American television newsmagazine series. It was previously the network's flagship newsmagazine, but now focuses mainly on true crime stories with only occasional editions that focus on other topics.

Mystery in Big Sky Country

Seasons35

Season 24 Episodes53

Cast1

Discussion

Episode Summary