Dateline wires the home of a volunteer, Jenny, from top to bottom with hidden cameras. Then she called repairmen to her house for a simple problem we created as a test with Jenny's pool. NBC's Chris Hansen reports.(Dateline)

New Jersey father David Goldman fought for 5 years to get his abducted son home from Brazil . Why did his wife Bruna take their son Sean to Brazil and say she was never coming back? They were young, beautiful and envied by friends who thought they were living a fairy tale. NBCs Meredith Vieira reports.(Dateline)

Meet Ryan and Sarah, newlyweds of just 114 days. Home together on a quiet Monday evening, no one could ever imagine how their lives would soon take a turn for the worst. NBCs Dennis Murphy reports.(Dateline)

As a crisis that affects 3 million kids, bullying is put to the test by a Dateline NBC hidden camera setup. Parents, alongside parenting experts, watch what their own kids will do as bystanders to staged bullying scenarios, beginning with a group of teenage girls. Kate Snow reports.(Dateline)

Lisa and Scott Pattison marry on a fairy tale day and build a life together in central Indiana. But one day in July 2009, their marriage comes to a horrifying end as Scott races his gravely injured wife to the hospital, calling 911. Dennis Murphy reports.(Dateline)

In Tampa Florida, Rachel Wade and Sarah Ludemann were two teenagers both in love with the same boy, Josh Camacho. They didn't know each other, but developed an intense rivalry for Josh's affections, which began to escalate out of control online. Dennis Murphy reports.(Dateline)

Suzanne Somers, entertainer and million dollar pitchwoman, says she's found her calling as a champion of alternative medicine. Her recent book "Knockout" claims that doctors are curing cancer using alternative therapies. Who are these doctors, and is there any real science behind their claims?(Dateline)

Brenda Constantine and her familys life was turned upside down after they return to their home in Orleans, Ontario to find family photos and her daughter's underwear missing. The police confirmed that their daughter had been targeted. Keith Morrison reports.(Dateline)

Freddie and Sherry Chason lived a quiet life in Savannah, Tennessee. However all of that changed when Sherry found her husband Freddie in bed, unconscious and near death. Did someone want to harm Freddie? Kate Snow reports.(Dateline)

An attractive nurse, Sherri Rasmussen, is murdered in her own home in 1986. There are few clues, except one: a bite mark containing saliva found on Sherri's arm. But it's of little use because DNA testing is not yet available.(Dateline)

Carolyn and Sean Savage were hoping to have another child using embryos that were left over after the in vitro fertilization procedure which brought them their daughter. Ten days after the embryos were transferred into Carolyn, the fertility doctor called Sean and delivered stunning news.(Dateline)

On a summer break from college, nineteen year-old Brooke Wilberger returns home to Oregon. While cleaning apartments in Corvallis she suddenly vanishes, hastily leaving behind her flip flops. Kate Snow reports.(Dateline)

Chris Hansen investigates the business of psychic readers who overstep their bounds into committing "confidence crimes". One victim reveals the manipulative skill of one fortune teller who ultimately cost him hundreds of thousands of dollars and even his own wife.(Dateline)

For Mark Stover, life seemed perfect. He had a successful career as a "dog trainer to the stars" on a beautiful island paradise. After a tough divorce, he'd recently found love again. Yet friends said he walked around in a constant state of fear. Could he sense a danger no one else could see? Keith Morrison reports.(Dateline)

Chris Hansen returns to Sin City, where there are roughly 115 murder a year, and tracks down criminals alongside Las Vegas homicide detectives in real time.(Dateline)

Chris Hansen tracks down the crooks who sell stolen cars back to cops as part of a store front sting operation in Las Vegas.(Dateline)

Stan Brock and his Remote Area Medical team (RAM) devise a plan to save Medor, an isolated mountain village in Haiti, from the sickness and cholera that ravages its people. Ann Curry reports.(Dateline)

An Oklahoma son and daughter live out a remarkable road to forgiveness after they endure the trauma of their parents' murder in 1979.(Dateline)

The Federal Heights neighborhood, in Salt Lake City, is the last place you would expect a crime to occur, but in the spring of 2002 Elizabeth Smart was abducted from her very own bedroom. What happened that night? Natalie Morales sits down with Ed and Louis Smart as they recount that fateful night.(Dateline)

A sinister force seemed to be snatching women off the streets of Albuquerque. Josh Mankiewicz reports from New Mexico.(Dateline)

George Clooney begins his fact-finding mission in Southern Sudan in hopes to stop a war before it starts.Ann Curry reports.(Dateline)

Teenage life in the high desert, near Los Angeles turns deadly when mean girls are involved.(Dateline)

From the outside the Winklers seemed like the perfect, Christian family. Then early one morning, everything changed.(Dateline)

This was one of the biggest cases Reno had ever seen: Brianna Dension had disappeared on a winter's night. Josh Mankiewicz reports.(Dateline)

Michelle Theer felt trapped in a troubled marriage with her husband & Air Force pilot Marty until she started a torrid affair with Army Ranger John Diamond.(Dateline)

In an exclusive interview, former NASA Chief Sean O'Keefe tells NBC's Ann Curry about the harrowing plane flight in Alaska from August 2010.(Dateline)

Cher Hughes made her dream come true in the faraway islands of Bocas del Toro, Panama.It's a place people go to escape, but who knew it had a darker side?(Stealing Paradise)

A successful lawyer is left blind after an intruder breaks into his home and murders his wife. After surviving the attack, he must now search for the truth.(Dateline)

Meet Dr. William Petit and his family from Cheshire, Connecticut. Three years since two ex-convicts invaded his home and killed his wife Jennifer and two daughters, Hayley and Michaela, Dr. Petit faces the latest development in the trial.(Dateline)

Learn more about missing persons and Chelsea's Law

Explore all of the key events throughout 'In the Dead of Night'

Learn more about Matt Landry, the passionate musician from the suburbs of Detroit who was featured in Dateline NBC's "Taken."

Learn more about Matt Landry, the passionate musician from the suburbs of Detroit who was featured in Dateline NBC's "Taken."

Dateline investigates clerks across the country who rip off customers that purchase winning lottery tickets.

Cindy Zarzycki was only 13 years old when she was last seen at a Dairy Queen in her hometown of Eastpointe, Mich. in the spring of 1986. For eight years following Cindy's disappearance, her case was treated as a runaway - until an odd-couple investigative team uncovered some disturbing details.

Her name was Christie, and she was just 25 when she was found murdered in her home. But with few clues, the case soon grew cold. No evidence stuck out at the crime scene except for a burnt cigarette. Was it left behind by her killer?

It was another perfect morning in beautiful San Miguel de Allende, Mexico, for the Valsecas. Little did they know it would be the beginning of a horrific seven and a half months of sheer terror and torture for Eduardo Valseca, son of a Mexican newspaper baron, and Jayne, his wife who tried desperately to free him from kidnappers.

Nadia Kajouji was one of many suicidal individuals who explore suicide websites and chat-rooms online. Sometimes, they find support; other times, they encounter people hoping to push them over the edge.

Jim and Kelley Cannon seemed to have a happy marriage. But things aren't always what they seem, and the secrets that began swirling around town were the least of their troubles.

Award-winning filmmakers Brent and Craig Renaud take you through Chicago's toughest streets, where children grow up quickly and often die too soon.

He struck in the dead of night while his female victims slept, baffling investigators in three different states. But when he comes for a teenager in a picturesque town in Massachusetts, she's got a surprise for him: She and her parents put a stop to his killing spree.

See photos of what Massachusetts police found in the possession of convicted killer Adam Leroy Lane after his attack on Chelmsford, Mass. resident Shea McDonough stopped him in his tracks in July 2007.

It would be terror in both the life of Mary Dabbs and that of Terese French that would ultimately bring them together one helping the other in a case that frustrated police for nearly 15 years.

Josh Mankiewicz explores the tragic deaths of three neighbors and the mysterious landlord whom many believe knows more than she's told investigators.

A development to the story we brought you about struggling families in Ohio who have been pushed over the edge by this recession. There's been a response from people wanting to help.(Dateline)

Some Gulf Coast families say they've fallen through the cracks after being hit by Hurricane Katrina. They survived that disaster -- but worry whether they survive this one. NBCs Kate Snow reports.(Dateline)

BP is planning to soon begin a new procedure that it hopes will permanently seal the leaking oil well in the Gulf. The vast slicks of oil haven't been seen for days, but what scientists say may be even worse and what could affect even more people is what's below the surface. Kerry Sanders went underwater to find out: what lies beneath.(Dateline)

Authorities say Monzer Al Kassar is one of the most notorious international outlaws of the past 25 years, accused of crimes that threatened Americans. NBC's Richard Greenberg tracked the alleged terrorist.

When a mother-to-be is found dead, detectives search the cell phone records of her womanizing fianc in hopes of identifying the killer. Hoda Kotb reports.

Kate Snow reports from inside the family circle of missing 7-year-old Kyron Horman to bring viewers the latest developments in the case, and an emotional and candid interview with his biological parents, Kaine and Desiree. In addition, she speaks exclusively to Desiree and her husband, Tony, who brings a detective's take to how this case has unfolded over the last seven weeks.

Ann Curry travels to the very heart of America, where the need is especially urgent and the stories especially poignant. She brings us a very personal look inside the lives of families who've had it all vanish jobs, then homes, then dreams.

Family and friends go to extraordinary lengths to honor a legacy of a young man whose trust led to tragedy. Keith Morrison reports.

Family and friends go to extraordinary lengths to honor a legacy of a young man whose trust led to tragedy. Keith Morrison reports.

The three young Hawk children arrived home one evening to find their mother was missing. Today, questions still remain in her disappearance, as her children struggle to move on.

Young migrant laborerswork alongside their struggling parents on America's farms.

Can you really believe what you see? Dateline puts the human brain to the test

Crime fighting becomes personal for FBI agents when their own office manager is murdered. NBC's Josh Mankiewicz reports.

In a case of disputed evidence and contradictory testimony, one thing is clear: 12-year-old Amanda Cope was brutally murdered, and she deserves justice. Her father confessed to her murder, but was he really a killer?

Nearly 25 years ago, a smart, loving, little boy disappeared, his body found a couple of weeks later. Now the case is solved. But what took so long?

La Jolla, Calif., a wealthy beach community, struggles to answer a disturbing question: What led some of America's most privileged young people to turn on one of their own - a local surfer about to hit the bigtime?

27 U.S. soldiers were wounded and 9 were killed in the Battle of Wanat in 2008. What happened in one of the deadliest battles in Afghanistan?

A feud between neighbors turns a quiet canyon road into a deadly battleground. How could a fight over a tiny plot of land escalate to this?

Jackson's mother, Katherine, speaks out in her only television interview about her son's death and who is responsible; how her grandchildren are coping and her relationship with them; and how the family will be marking the first anniversary of his death.

There was a time when former NFL quarterback Steve McNair seemed indestructible. But when he wasn't playing on the field, was he playing with fire? Learn from insiders what may have led to the football star's murder.

Three murders on beautiful beachfront property in California all within 10 miles of each other, all in less than two weeks. Why are these people with supposedly picture-perfect lives being killed?

Inside that suitcase was possibly evidence required to put a murderer away. NBC's Keith Morrison reports.

A group of seekers went to the Arizona desert for a retreat with a well-known self-help guru, but three people did not return. Could their tragic deaths have been prevented?

Police say Joran van der Sloot - after confessing to killing a young woman in Peru - is finally admitting that he killed Natalee Holloway.

Many families living in the Gulf aren't just mourning the loss of their livelihoods--they're losing their entire way of life. Kate Snow has more on the oyster farming families facing uncertain futures.(Dateline)

What went wrong in the Gulf? Dateline's Chris Hansen investigates the decision-making that led to America's largest environmental disaster.(Dateline)

Why should people who don't live in the Gulf care about the oil spill? NBC News' chief environmental affairs correspondent, Anne Thompson, has the answer.(Dateline)

As Obama makes his third visit to the Gulf, NBC's Ann Curry asks White House advisor Carol Browner tough questions about the administration's record.(Dateline)

Amid the deepening tragedy in the Gulf, an inspiring story has emerged of the men on a supply ship who risked their own lives in a heroic rescue of 115 people. Brian Williams has their story.(Dateline)

Dateline takes an unprecedented look at the emotional debate surrounding vaccines and autism and the doctor who started it all, who has been stripped of his medical license.(Dateline)

A widow remarries and finds herself enjoying fabulous wealth after an insurance payout from the murder of her first husband. But holes in her story eventually reveal a darker side, and she and her new husband are charged with the killing.

A young woman in a troubled marriage finally finds the courage to get out. Then, she disappears. It was a crime that might have ended up lost in the cold case vault had it not been for a police chief who used his head and his heart.

The cruise ship Oceanos, bearing 571 souls, heads to sea in a storm.(Dateline)

For Miriam and Alan Helmick, both widowed, life gave them a second chance at love. They met at a dance studio, and everyone thought it would be a fairytale marriage until Alan was found dead, and details from Miriam's past revealed she had some dark secrets.

Chistopher Savoie is another father in an emotional international battle. He went to Japan and tried to snatch his children back. Meredith Vieira reports.

Hoda Kotb's photos of her interview, time on the road with singer Michael Buble.

How far will a young man go to prove his love for an older woman? Far enough to take the fall for her husband's murder? Keith Morrison reports.

Chris Hansen and Dateline's hidden cameras went on the trail again this time to South Carolina to track down and confront the people behind a common e-mail scam.

A popular college freshman is gunned down in her car. Police had no clues: no fingerprints, no information about trouble in Michelle O'Keefe's life. Then an unexpected source emerges.

A devoted father gunned down in his own home by someone on the stairs. It was a crime that made national news because of its unusual defense. The suspect argued he was simply too obese to carry out the killing. Would that argument sway the jury?

Thousands of Americans are killed in car accidents every year, but when a mother of two died after a minor fender bender, her loved ones were left looking for some answers. The more they learned, the more it seemed it wasnt her accident that needed investigating, it was her marriage.

Through a series of social experiments, Dateline NBC investigates what it takes to convince people to do things they normally wouldn't do.

They litter the landscape, the thousands of abandoned homes. And just like these buildings, Detroit is a shell of its former self. One third of the people live in poverty. Almost half the adults are illiterate, and about 75 percent of kids drop out of school. Dateline NBC's Chris Hansen returns to his hometown to check in on the city's plans for its future. Read the transcript.

: When a young woman named Janelle Patton moved to a tiny tropical island, she didnt have to worry about the crime rate. This was a place so safe it had just two police officers. But soon they would be busy because she became the islands first murder victim in more than a hundred years. And if a determined detective hadnt stumbled across a forgotten old file, it mightve taken that long to crack this case.

ateline NBC commemorates the fortieth anniversary of the Apollo 13 with interviews with the astronauts, NASA controllers, and more.

A series of late-night burglaries at the homes of young Hollywood celebrities are caught on tape. The group allegedly committing them, now known as "The Bling Ring," made off with millions of dollars in designer goods.

It was just another day at work for Richard Phillips, captain of the Maersk Alabama. That all changed when armed Somali pirates took the ship captive. He shares his terrifying ordeal with Dateline NBC.

For 27 years, a woman shut out the memory of her mother committing murder. But when she could no longer keep it inside, the family that was once bound together by a secret becomes torn apart.

Like the rest of the country, Grafton, Wisc. was hit hard by the recession. Despite their own troubles, the people in this small blue collar town north of Milwaukee came together to give hope to an extraordinary family: Karen Longoria and her children, two of whom who have special needs.

A prominent doctor's wife is murdered on Valentine's Day. Investigators had plenty of theories to work with, but the suspect they brought into custody shocked everyone. Could a man have loved his wife to death?

Police believe a young widow is behind the deaths of two men, in two towns, hundreds of miles apart. But ten years later there are new questions, and a new ending.

Everything was going great for Playboy model wannabe Paula Sladewski until New Years 2010. The blond bombshell went missing, and days later, her charred body was found. Who could have done such a thing?

It looked like a suicide, this death of a prominent doctor. But then, when investigators look into his wife's past, they notice some disturbing trends. Could there have been more to their whirlwind romance than met the eye?