Watch Dateline NBC Season 21 Full Episodes

The story of an unsolved case involving a woman's love triangle that ended in her husband's fatal stabbing in front of their home, but more than two...

Millen, Georgia, a small industrial town so devastated by the Great Recession, its unemployment numbers peaked at 21% - more than twice the national...

10 Years ago, the accusation that Penn State Coach Jerry Sandusky sexually abused a child, came to the attention of Ray Gricar, the local district...

2 years ago the young mother from Utah vanished. A husband under suspicion, a father-in-law under scrutiny, and investigators under pressure to solve...

A vacation in Aruba that morphed into a mystery, Robyn Gardner went missing and many presume she's dead.

Tom Foley is shocked to find himself the lead suspect in the case of his wife Darlene's murder. Thinking the case was over, the defense team is soon...

A fatal car crash in Montana may not have been an accident after investigators find a revealing set of text messages.

The case against Michael Jackson’s doctor, Conrad Murray, is in the hands of the jury, who will decide whether he played a role in the death of the...

A couple meets at the craps table in Las Vegas. She was a beautiful trapeze artist and he was a professional poker player -- with a secret. Did he...

In October 2009, James Arthur Ray, a renowned self-help author and speaker, held a "Spiritual Warrior" retreat in Sedona, AZ. Three people died...

A couple with the perfect marriage until Cristi was found dead in the backyard spa. And, a story-book marriage, NO lust, greed and deceit led to an...

A young woman disappears following her chance encounter with a stranger on a train. Her desperate family hires a dream team of detectives to follow...

A troubled marriage, then suddenly a man disappears, leaving behind a daughter and step-son. The truth from a secret kept for over eight years.

A young Florida mother abducted at gunpoint and taken for ransom. Three failed attempts to drop the ransom put everyone on edge and no one imagined...

An indie film-maker is connected to the case of a missing man, which started as an obsession with "Dexter". Was it a publicity stunt or something far...

Tom Brokaw, recaps some of the most powerful stories reported by NBC News in the days and months following the tragic assault on our nation.

When a young woman disappeared in Alaska, police looked at two brothers as suspects. Would anyone be able to breach their loyalty and find the truth?

Reports from a desert in New Mexico which has become one of the largest crime scenes in history, where the remains of eleven female bodies were found...

Former Vice President Dick Cheney discusses his new memoir with Jamie Gangel; Grammy award winner Miranda Lambert is interviewed by Hoda Kotb;...

A serial killer stalks human prey through America's national forests until clues help trigger a multi-state manhunt.

Watch amazing animals and the true stories behind some of the most popular videos on the web.

A young father fights desperately across the United States for custody of his baby girl. Plus the story of Nancy Cooper who went missing while...

Lester Holt reports the story of three American women who face the Great Recession and their own worst fears.

The murder of a husband exposes the shocking secret life he had with his wife. They were swingers.

A couple's romantic night at the Hudson Palisades ends in a tragic fall, leaving officials questioning whether or not it was an accident.

Tom Brokaw reports the story of three different families throughout the war in Iraq.

An admired sports editor is killed on Halloween night.

Brian Williams documents a day behind-the-scenes on Capitol Hill where viewers will get an unprecedented look at life under the U.S. Capitol dome.

A former homecoming queen comes under suspicion after her husband is found stabbed to death and an affair with the local youth pastor is uncovered.

Chris Hansen goes face-to-face with a man, who along with other conspirators, cheated a Connecticut woman out of her life savings through an internet...

A 24-year-old U.S. citizen targeted by kidnappers in South America and taken; the story of a man who is suspected of murdering his wife in a fire.

A year-long investigation into children migrant workers.

When a woman goes missing in a small town in rural Michigan, her husband becomes the primary suspect. But eyewitnesses and surveillance cameras...

Chris Hansen goes under cover with California lottery investigators; testing the integrity of lottery clerks in New York.

A young detective investigates a college student's death; chronicling the events of the Casey Anthony murder trial.

A year after being taken captive by Somali pirates, Captain Richard Phillips talks with Matt Lauer about his harrowing experience and brave rescue.

An Oregon family struggles with the mysterious disappearance of their daughter, and Kate Snow looks into the investigation that plagued family and...

Lester Holt takes viewers into Chicago communities, children who grow up quickly and die young.

When a 38-foot empty Donzi boat is found making circles in the ocean with nobody on board, a mystery begins in the Bahamas. While hundreds of...

New details and courtroom dramas key Dennis Murphy's update on the Caylee Anthony case. Anthony's young mother, Casey Anthony, is accused of...

Josh Mankiewicz probes the cold-case murder of a casino-sales executive.

Hidden cameras reveal how teens react to different bullying situations.

The citizens of a Wisconsin town come together to renovate a family's home.

A successful young man is shot down in front of his Philadelphia home. A woman finds her way back to her family after being kidnapped 30 years...

Richard Engel reports on the Battle of Wanat, one of the worst casualty counts of the Afghanistan war that left nine soldiers dead and 27 injured the...

Keith Morrison reports the story of an Oklahoma pastor's son and daughter who endure a remarkable road to recovery after witnessing a terrible family...

Chris Hansen visits a shop in New York that sells bath salts, a new designer drug.

A young woman teams with a U.S. Marshal to find the man who murdered her mother 18 years earlier.

Hidden cameras reveal how quickly, honestly and efficiently repairmen do their jobs.

A doctor disappears while on vacation with his wife, leaving her $6 million in debt.

David Goldman, whose five year battle for custody of his son made international news, talks about life since being reunited with his child.

A man who was arrested and tried three times for the death of his wife of four months talks about the case.

First lady Michelle Obama and Dr. Jill Biden talk about their ``Joining Forces'' campaign, Rep. Gabrielle Giffords' staff discuss the shooting,...

The impact of the recent tornadoes, severe thunderstorms and flash-flood warnings in the United States; reports from London include behind-the-scenes...

NBC’s Dennis Murphy traces the journey of Kate Middleton from commoner to Her Royal Highness.

Dennis Murphy delves into how two brothers were killed under odd conditions but at different times and in separate locations. In addition, Keith...

Chris Hansen files a report on Mexico's drug war. Hansen joins with Mexican federal officers on a secret assignment to capture kingpins and relates...

Rob Stafford investigates the cold-blooded slaying of an expectant mother. In a second report, Keith Morrison tracks the work of a dauntless...

Reporter Keith Morrison explores the plight of unwanted children in Moscow, recounting the story of an institutionalized boy whose life took a...

When Amber Dubois vanished in San Diego County, a search turned up nothing. Then, a year later, Chelsea King disappeared in a neighboring town....

Correspondent Hoda Kotb delves into a four-year international custody battle.

Dennis Murphy investigates the mysteries surrounding the shooting deaths of two family members in a still Georgia hamlet.

Hidden cameras reveal how teens react to different bullying situations.

Also: a look at actor Charlie Sheen's home life at his estate. Correspondents: Keith Morrison and Jeff Rossen.