A small child is the only witness to a terrible crime: the murder of her mother. But investigators say they can't rely on her testimony because she is just a toddler. Will her memories prove true and bring a killer to justice?

A young woman feels lucky to have a second chance: After a failed marriage, she was back together with the man she'd loved since high school. That is, until one morning, when a single shot rang out in a parking garage. What happened to Ed Schiller?

When a well-liked young man lost his wife and son on a family outing, an entire town mourned. But there was somebody who suspected the tragedy was no accident. But will a widower's best friend come forward and accuse him of causing his family to fall over a cliff?

See images of Bob Duke, convicted of murdering his wife, Liana, and five-year-old son, Erik. The two plunged to their deaths off a cliff.

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?

Detectives play the role of Cagney and Lacey in a cold-case murder where the key evidence is a burned-down cigarette. But the real closer in this 20-year-old case is the victim herself, from beyond the grave. See it Friday, Oct. 22 at 9 p.m. ET, 8 p.m. CT on Dateline NBC.(Dateline NBC)

Family pictures and evidence photos in the murder of Christie Fleming, a 25-year-old woman who was murdered in her own condo in 1989. Fourteen years later, Arturo Gutierrez, a former boyfriend of Fleming's, was convicted in the case.

Find out the secrets and symbolism that lie in the most unexpected parts of our nations capital in Matt Lauers exclusive interview with Dan Brown, author of "The Lost Symbol," the follow-up to "The Da Vinci Code."

He came out of the woods, in the night, in the rain. Over 14 years, more than a dozen women were raped in their own homes by a stranger who terrorized a Tennessee neighborhood, leaving no clues except for one.

It was the anwer to a mother's prayers: Jaycee Dugard, kidnapped at age 11, was found alive. But why did it take 18 years to find her? And what could have been done to stop her alleged kidnapper sooner? Dateline investigates.

Philip Garrido's history with the law and the events that led up to his alleged kidnapping and subsequent release, 18 years later, of Jaycee Dugard. Dugard was abducted when she was 11 years old.

Rabbi Shmuley Boteach, a friend and counselor to Michael Jackson, taped conversations with the King of Pop for two years. With Jackson's permission to later share the recordings, the two discussed Jackson's most painful childhood memories, his feelings toward women, his intense loneliness, and more. Dateline NBC has revealed the tapes for the first time.

The King of Pop shared his innermost thoughts in 30 hours of taped conversations with friend and spiritual adviser Rabbi Shmuley Boteach. The transcript of the tapes is the foundation for the book, "The Michael Jackson Tapes." Read an excerpt.

She was the breadwinner, he took care of the children. And it worked fine, but then there were rumors of an affair, fights over the kids, and finally, an ugly divorce. The marriage was ending, but a crime even seasoned detectives would find hard to believe was just about to begin.

Evidence and other pictures related to Larissa Schuster and her estranged husband Tim, whose body was found in a vat of acid.

Newlyweds were settling into a new house and a new life together. Then, a tragedy: The young husband discovers his wife had drowned in the bathtub. It seemed a horrible accident, but police were bothered by one thing: Why was her body dry?

See pictures of Sarah and Ryan Widmer and other photos taken during Ryan's trial.

Each year, thousands of children and teenagers are sent to criminal court to face trial as adults. On Thanksgiving weekend, 2001, the King brothers put a human face on that statistic. Accused of murdering their father, few would have argued that either boy had much of a future. Here's what has happened to them since.

Dateline NBC joins New York Times columnist Nicholas Kristof as he reports on one Pakistani woman's struggle for justice and her determination to change the lives of women around her.(Dateline NBC)

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.

Listen to the call to 911 placed by Robert "Big Daddy" Gaddy, a friend of Steve McNair, when Gaddy discovered McNair, 36, and 20-year-old Sahel "Jenni" Kazemi lying lifeless in McNair's Nashville apartment on July 4, 2009.

See web-exclusive videos, documents, and links related to "A Dose of Controversy."

In 2005 a young groom disappeared during a honeymoon cruise through the Mediterranean. It could have been an accident. It could have been suicide. Or, it could have been murder. Dateline has new details.

It seemed like a straightforward crime of passion: A husband straying, a wife betrayed, a body found in their bedroom. The wife was accused of the murder, but it was the mistress who called police to the scene. What happened to Adam Kostewicz?

See photos of the people involved in the murder case of Adam Kostewicz.

See photos of evidence in the April 2006 murder of Adam Kostewicz.

In 2003, Nancy Mason, mother of three, was killed after falling into Colorados Chalk Creek while on a fishing trip with her new husband. At first, her family and officials believed it was an accident, but suspicions grew, and today, those close to Nancy believe it was a homicide. The district attorney, however, says there is not enough evidence to prove a crime was committed.

"I am an innocent american citizen who is being bullied and harassed by certain members of the Colorado legal system," Dan Mason writes. "As stated by two separate district attorneys, 'There is no real evidence to indicate the incident was anything more than an accident.'" Read his full response here.

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?

See all the web-exclusive content for this story.

Listen to audiotapes with Cathy Pettiford, who told interrogators she saw her then-husband poison 11-year-old Christopher Alan Brown, and Rosalind Brown, the boy's stepmother.

Melanie and Bud Billings were the locally celebrated parents of seventeen children, thirteen of them adopted, many with a variety of disabilities and special needs. Nine of the children, ages four through eleven, were home when the masked intruders burst into their home and murdered Melanie and Bud.

On July 9, 2009, Melanie and Bud Billings were murdered. The Billings, who were parents to 17 children - 13 of whom were adopted, many with a variety of disabilities and special needs - were killed in their home in Pensacola. Nine of their kids were home at the time. Find out how to donate to the family's trust fund and see other web-exclusive content here.

In 1969, 300,000 young Americans came together to create something that had never been done before. What transpired was a three day festival of peace and music and a historical event that would define a generation.

She vanished suddenly from her Florida home, an admired and worldly woman who had come to America for a fresh start. Had Rosemary Christiansen taken off for yet another new life, or had something more sinister transpired?

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.

On an October morning in 2007, Rhoni Reuter, the long-time girfriend of former Chicago Bears football player Shaun Gayle and mother of his unborn child, was shot dead. Police immediately investigate Gayle and discover that Reuter was just one of many women in the former NFL player's life.

He was a millionaire builder who made lots of money and lots of friends. But in the foothills of Tucsons Santa Catalina Mountains lies a mystery: Who would have wanted to murder local developer Gary Triano?

Vincent Brothers was a beloved vice principal in Bakersfield, Calif. When his wife, children and mother-in-law are murdered, the community is shocked that Vincent is a suspect especially since the weekend of the killings, Vincent wasn't even in town.

William Randolph Hearst was the Rupert Murdoch of his day, his riches as a media baron leaving future generations of Hearsts set for life. But that all changed in 1974, when his granddaughter, Patty Hearst, was kidnapped. Dateline has her story here.

On the morning of March 13, 2006 Michael Zammatti Jr. and his co-worker were shot dead on theZammatti family's concrete company premises. Rumors spread quickly about a conflict with the mob, until Michael's mother suspects a man she once caught in an inappropriate embrace with Michael's wife.

When a young man disappears on the evening of the summer solstice, witchcraft is suspected. It was a case covered by best-selling author Michael Connelly when he was a crime reporter for the Los Angeles Times, and the story ended up being stranger than any piece of fiction. NBCs Keith Morrison reports. Watch the full hour here.(Dateline NBC)

Two childhood friends from South Boston take divergent paths: John Connolly was one of Boston's most celebrated FBI agents, and James "Whitey" Bulger became a notorious mobster. Connolly makes a deal with his old friend Bulger: Become an FBI informant, and his illegal gambling operation can continue without interference from the law. NBCs Dennis Murphy reports on the story that became the basis for The Departed. Watch the full show here.(Dateline NBC)

June 28: The economic numbers are relentless, but what number do you put on having to move into a shelter? Or trying not to cry in front of your kids? Some jobless Americans allow us a very personal look inside their lives. NBC's Ann Curry reports.(Dateline NBC)

Addi and Cassi Hempel were delightful, playful, and normal twin girls. But shortly after their second birthday, a mysterious illness grabbed a hold of them.

June 25: NBCs Rehema Ellis reports live from Harlem, as a somber tone started giving way to a celebration of Michael Jacksons music.(Dateline NBC)

Investigators called it one of the most unusual and bizarre cases: A man seemingly killed in a fire in his garage. It looked like an accident, but police would soon uncover evidence of a switched identity, and a victim's heartbroken family.

When Janet mysteriously disappears from a cross-country road trip in the motor home she shared with her husband Robert, her two daughters are determined to find answers. Sixteen years later, the answers are uncovered in unexpected place: a box left in a closet.

NBC's Chris Hansen goes off the strip to the dark corners of Las Vegas to watch police catch auto thieves, pimps, even a man producing counterfeit hundred dollar bills.

Who is Clark Rockefeller? Turns out he's not who anyone thought including his wife. Read the story of Christian Gerhartsreiter, a German man who made a fake identity for himself using the famed American surname, now convicted of kidnapping his daughter.

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?

It's a place molded by 2,500 years of history and cloaked in mystery. An election this week could mark a crucial moment for U.S.-Iranian relations. But how much do we really understand about Iran? Dateline obtained rare access to this nation of contrasts and contradictions.

A wife is trapped in her husband's mysterious and secretive web, a world of deception and intrigue that would take her a decade to escape from and almost cost her her life.

She was on her honeymoon -- a scuba diving trip with her new husband. But when she plunged into the water, she plunged into danger, too.

She's self-made, driven, and wildly successful. Dateline got up close with 19-year-old Taylor Swift, the chart-topping country pop star. Read the transcript here.

Dateline went on tour with Taylor Swift. See photos of the country pop star here.

Dateline went on tour with Taylor Swift. See behind-the-scenes footage with Taylor, her bandmates and her friends in these web-exclusive videos.

Did Doug Grant commit a near-perfect murder of his wife, or was he somehow involved in a misguided prosecution? And is the answer in the victim's own letters?

See what she wrote to her husband and his mistress in September of 2001.

A father calls the police to give his son a dose of tough love, but that one phone call sets in motion a strange chain of events.

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.

Friends say she's a good person who knows how to make people feel special. Others say her charm is something she used to deadly effect.

Dateline follows up on the littlest cast members of "Slumdog Millionaire." Where are they now? Not where you might think. NBC's Keith Morrison on the child stars' lives since their Hollywood moment.

American Shannon Galpin is fighting a very different war in the dangerous region, hoping to change the lives of women and those who need the most help.

Cody McCasland's life has hardly begun, but he's already charmed Oprah and other television hosts, overcoming the odds and a rare disease.(Dateline NBC)

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.

Frank and Leta Cordes built a vacation home in the Caribbean, in part to escape marital problems that had plagued their relationship for years. When Leta Cordes disappears one night, her missing person's case becomes the most perlexing mystery to ever happen on the island.

Macy Causey is a speed demon with racing in her blood, a third generation race car driver who loves the feel of the pedal on the metal. With her skill, daring and endurance she's making fans and generating headlines all at only eight years old.

Carmakers have toyed with the idea of an all-electric car for more than a hundred years, but all struggled with issues of range and power. The Tesla Roadster, a battery-operated vehicle made of lightweight carbon fiber, seems to have solved that.

Welcome to Ikaria, Greece, a tiny island where it seems youth springs eternal. Dateline devled into why the residents here live so much longer, healthier lives and got the inside scoop on how you can apply their lifestyle to your own.

Kevin Johnson was a three-time NBA all-star. Now, he's looking to make a slam dunk as mayor of Sacramento, a city hit hard by the recession.

His name isn't Bernie Madoff. It's Nicholas Cosmo. But like Madoff, he's been arrested for making outsized promises to investors that he knew he couldn't keep

Drew Peterson, the Illinois police officer living under a cloud of suspicion in the disappearance of his fourth wife, is now behind bars for the death of his third wife. Read the exclusive Dateline transcript here.

Infidelity breaks hearts and raises questions, often perplexing ones: Why does someone cheat? Dateline explores whether the reasons are different for men and women, and if it's possible to affair-proof your marriage.

Like they say, "All you need is a dollar, and a dream." It's that dream of a lottery win that made millions of Americans buy more than $60 billion worth of tickets last year.The odds are against you, but what happens if you do win and the clerk who sold you the ticket claims you're not owed any money?

Dateline's investigation into shady lottery clerk practices prompted the New York Lottery to dispense these warnings about our probe along with their lottery tickets.

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?

San Diego affiliate news, photos, and videos related to Emery Kauanui's beating.

This document lists the four defendants who initially faced charges in the death of Emery Kauanui.

Welcome to the wonderful little secret called unclaimed property: It could be an old paycheck, stock note, or inheritance thats owed to you. When no one claims these valuables, theyre eventually turned over to a state where they may languish for years. On Dateline, we showed how you may be able to find that forgotten treasure on your own. Use the links here to search state databases.

Peter Bland was a world-class explorer. Along with his beautiful wife, he turned life into one long romantic adventure. He escaped disaster over and over again until a danger he never saw coming knocked him off his feet. Would the toll be too large for his family to take?

Carlos Perez-Olivo was a well-known defense attorney who lived a comfortable life ina chic suburb with his wife and children. Then one night, with two bullets, it all came apart: He was shot and his wife of almost 30 years was killed. Was the culrpit an angry former client, or something more twisted?

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.

See a hand-drawn map the suspect made for police in showing where he buried Cindy Zarzycki's body.

Nicole Tindall met a man online who seemed too perfect to be true. He said he was deeply connected within the music industry, and could help her career if she was willing to invest.(Dateline NBC)

For many girls, it's the ultimate fantasy: to be discovered and make it big as a model or actress. And there are people standing by to help make that dream come true -- offering everything from classes to meetings with casting agents. Lots of loving parents are willing to pay thousands to help their daughters reach for the stars.... but do they always get their money's worth? What Dateline discovered wasn't pretty. Correspondent Chris Hansen reported in this Dateline Hidden Camera Investigation.

When Sam Gladen starting limping and falling down for no apparent reason, his parents thought he might just be fooling around. They were wrong. His body had begun to change in terrible ways his family couldn't understand. His doctor came up with a risky plan that just might save him but Sam would have to agree to it. If his body was betraying him -- maybe his courage would see him through.

One woman disappears, and two sets of bones are found near Wilmington, N.C. Is one suspect to blame for both deaths? What happened to Allison Foy and Angela Rothen?

Dennis Lee claims for about a thousand bucks, he will sell you a device that maximizes your gas mileage in your car. Does it really work? Dateline gives Lee's product a test-drive.

A free-spirited couple's reputation for being so in love is questioned when the husband is accused of murdering his beloved, spiritual soulmate, Toni Heartsong.

Signs of stability on Wall Street are becoming evident, but those who are still crawling out from under the financial wreckage carry the weight of a burden shared by millions: staggering debt.

By the end of 2008, a record 5.4 million homeowners were delinquent on their mortgages or in foreclosure. Over the course of six months, Dateline NBC spoke to Countrywide insiders about the unethical practices that led to their institution's collapse, and whistleblowers who explained how the U.S. got into the mortgage mess.

Marcus Schrenker had it all: money, a beautiful wife, a mansion in a ritzy neighborhood. So why did this financier, a pilot, put in motion a daring plan to fake his own death and hide a double-life, like investigators say he did?

A relaxing vacation turns into a nightmare when Stephen Reitz wakes up to find his girlfriend, Eva Weinfurtner, murdered. There's no question Stephen did it: But was he conscious, or asleep, when it happened?

A murder investigation leads to the last place anyone expected: to two elderly women, known for helping the homeless. In their golden years, they passed up bingo and shuffleboard for a game far more lethal.

NBCs Chris Hansen has an update on Gemase Simmons, the man who scammed seven people into thinking they were on the path to reality TV stardom and supermodel success. Watch the full hour here.(Dateline NBC)

Nearly nine years ago, something grounded the Concorde, the French plane that was the shining icon of the supersonic age. Ever since, there have been questions about what really happened in the last moments of that fatal flight. Dateline investigates.