Seattle student Amanda Knox is a suspect in the murder of her British roommate in Italy.

Cindy and George Anthony, grandparents of missing 3-year-old Caylee Anthony, talk about the efforts to find the little girl and the charges against their daughter Casey, Caylee's mother.

In Evictors, A look at families who have been effected by the recent housing crisis. In Rick Warren, a minister has brought opposing sides together - now will he cause a divide? Lastly, a murder investigation arises from a widows suspicious behavior.

In 2006, Laura Van Ryn and Whitney Cerak, students at an evangelical college in Indiana, and their families were victims of a ghastly mistake: the wrong girl was identified as the survivor of a car crash that claimed multiple lives. Only after five weeks, when the girl emerged from a coma, was the error discovered. The families and the survivor, Whitney, record their experiences in this heavily Christian account.

A woman knows her husband is innocent - but can she convince the authorities?

A popular talk radio host is accused of poisoning his wife to death.

A minute-by-minute look at the landing of a US Airways plane in New York's Hudson River includes interviews with some of the survivors and their rescuers.

The investigation into the disappearance of Olivia Newton-John's then-boyfriend, Patrick McDermott, who went missing while on a fishing trip

A father struggles to have his son returned to him after an international parental kidnapping.

An update on the case of Eric McLean, charged with shooting his wife's 18-year-old lover.

A story as old as Romeo and Juliet, but with an unpredictable ending.

Tracking the money from the financial bailout to see where it goes and how it is spent by the recipients.

Nothing, including an amputation, could stop this determined runner.

Nadya Suleman, mother of the octuplets born in California.

Police look for the person who murdered a beloved wife and mother.

Ten wild rides caught on camera, including a skier encountering an avalanche; a camping trip in the woods of Southwestern Virginia turns into a nightmare.

An investigative report on the death of a female parishioner inside the office of the county church, which shocked the congregation and left them suspicious to why this happened. Was this death a murder or maybe a suicide? Correspondent Keith Morrison reports.

Nearly nine years after the crash of the Concorde, controversy continues to surround the accident that killed 113 people.

A man promised aspiring young models that they'd be reality TV stars... instead, the hopefuls got a harsh reality check. Update to report originally aired on Dateline on Friday, May 2, 2008

A daughter stumbles across a family secret 36 years after her father's murder, leading her to question everything she'd been told about who killed him and why.

A private investigator believes that two elderly women known for helping the homeless are actually killing them

A young man confesses to killing his lover while sleepwalking.

Matt Lauer interviews Olympic swimmer Michael Phelps. In addition, George Clooney reflects on his cause to end the Darfur crisis while on a trip to the border of Chad and Sudan with correspondent Ann Curry. Also: Meredith Vieira chronicles a father's quest to bring his young son home to the U.S. from Brazil.

A report about Michael Schrenker, a financial advisor who faked his own death in January 2009, after being charged with financial fraud, by deliberately ditching the airplane he was piloting.

How risky home loans helped cause a chain reaction that led to failures on Wall Street

How U.S. families have become mired in debt; the dirty tactics employed by some collection agencies.

Keith Morrison explores how a murder ripped apart a seemingly happy couples marriage.

Scams that target the unemployed and those struggling to save money wherever they can.

An elite team of investigators enlists the help of viewers to solve two murder cases

An undercover report on a modeling agency parents say lost them thousands of dollars; an online dating ploy in Philadelphia.

Dennis Murphy details the devotion of a police officer and an intern to solve the mysterious vanishing of a young woman in Michigan.

An intricate look at a crime near Chappaqua, NY, and the family it ruined.

A man whose arctic escapades have put his life and marriage at risk; a team of correspondents scours the country for people who may be unaware that unclaimed property, in some cases large amounts of cash, is being held for them.

Authorities investigate the death of a 24-year-old surfer from California.

Dateline explores infedility; an update on the arrest of former police officer Drew Peterson, charged in the death of his third wife and suspected in the disappearance of his fourth.

Reports on an alleged Ponzi scheme led by entrepreneur Nicholas Cosmo;; 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 ow

Authorities are puzzled when a woman disappears from the Caribbean vacation home she and her husband built in an attempt to heal their marital woes.

Born prematurely in 2001 and facing serious health issues, Cody McCasland works to raise money for the Texas Scottish Rite Hospital for Children; one American works to educate and advocate for Afghan women ; the child stars of "Slumdog Millionaire."

A young woman is wooed by a man in Britain who claims to be a spy; a wealthy hedge fund manager disappears with his investors' money.

A man from North Carolina tries to clear his name after he is suspected of murdering a local couple; Julie Keenan gets the courage to leave her troubled marriage - then goes missing.

Correspondent Josh Mankiewicz investigates the case of the 2001 drowning of a woman inside her own bathtub which has seen many twists and turns throughout the years.

Cameras go behind the scenes of Taylor Swift's first-ever headlining tour; the truth about a mother's disappearance is revealed.

The people of Iran discuss issues that are impacting the nation's presidential election, their country's history and rapidly changing culture; a man fights for custody of his son; a woman is trapped in her husband's secretive and mysterious life.

On a remote canyon road, a minor misunderstanding between next-door neighbours escalated into a series of bitter disputes. Soon, a peaceful community is shattered by a deadly altercation between the feuding neighbours. A chilling 911 tape may help explain if it was self-defence for a vendetta.

The latest on abduction suspect Clark Rockefeller.

More than 30 million tourists will visit Las Vegas this year. And while they eat, drink and play, another side of Vegas is hard at work: criminals scamming, stealing cars and selling sex. That's where the officers come in. Over the past year we've been watching undercover operations of the Las Vegas Police Department.

Two women are determined to solve the mystery of their mother's disappearance; the latest in the case of a couple murdered as they tried to sell their boat in California in 2004.

A man is found dead in a garage, and another man is missing, leaving authorities to try to determine whether it is a coincidence or whether a couple's plan to start a new life has gone awry.

A woman searches for a treatment for her child's rare disease.

An edited version of the 2003 documentary on singer Michael Jackson

A husband is dead from a gunshot, and a young widow is ensnared in forbidden desire.Keith Morrison reports.

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. NBC’s Dennis Murphy reports on the story that became the basis for “The Departed.” Watch the full show here.

The truth comes out after a little boy's disappearance and murder; an author recalls a cold case he covered as a crime reporter on Los Angeles.

hen two relatives are killed, is a mob hit or a family secret to blame?

Josh Mankiewicz recalls the case of the 1974 Patty Hearst kidnapping by a little known group called the SLA - Symbionese Liberation Army. Mankiewicz talks with another man who claims he was held by the SLA and telling his story for the first time.

In an unexplainable case, an unassuming elementary school vice principal known for his kindness, was charged with killing his wife and children.

A popular, well-connected businessman dies when his car explodes. Initially, speculation leads to the mob but a big insurance payoff eventually since this cold case to Europe where one ex-wife resides.

Pregnant girlfriend of ex-NFL player is killed; is another woman to blame?

Darlene Ewalt was dreaming of an upcoming trip to paradise when she was brutally murdered in her backyard. Was a serial killer just getting started?

Investigating a string of violent crimes at a mall in a wealthy neighborhood; a lawyer reveals information about a real estate agent who went missing nine years ago.

Behind the scenes moments from Woodstock, including home movies and archival footage

Questions surrounding the murder of Bud and Melanie Billings; possible suspects and motives; one of their daughters, Ashley Markham, talks about her family.

A young woman working as an undercover police informant is killed when a drug bust goes bad; police finally solve the disappearance of an 11-year-old boy who went missing more than 20 years ago.

A mother's "accidental" death leaves behind clues that point to murder

No One could figure out why a college student died in her bed - until a tiny spot launched an epic investigation. Also, Dennis Murphy investigates the case of Maggie Locascio, a woman who was about to escape from her overpowering husband and begin a new life. But suddenly her life was cut short. The case saw a son versus his father in deciding who was responsible for the murder.

Police investigate what appears to be a fatal love triangle, arresting the victim's wife, although the victim's mistress failed to appear in court to give testimony.

Four years after a young groom vanished while on his honeymoon cruise in the Mediterranean, authorities are still searching for answers - originally aired on Dateline NBC in September 2005. An update on the case of financial adviser Marcus Schrenker, who attempted to fake his own death. .

Matt Lauer explores the controversial link between vaccines and autism, interviewing a British doctor whose 1998 study first suggested a possible link and a pediatrician and expert on vaccines who speaks out on vaccine safety in the U.S.

Insiders reveal what may have led NFL star Steve McNair to a life of danger

A Connecticut woman shares her story after being raped in her own home by a masked man, a crime that divided her community and the police force as well.

Dateline joins New York Times columnist Nicholas Kristof as he reports on one Pakistani woman's struggle for justice ; NBC’s Special Correspondent Tom Brokaw is traveling cross-country, 3,000 miles through 12 states, as part of a USA Network project. Travel with him to Cambridge, Md.

Alex and Derek King captured national media attention in 2003 when they confessed to killing their father. The boys, 12 and 13 years old at the time, were two of the youngest children ever to be charged with murder and arson as adults. Now, Keith Morrison as the first interviews Alex and Derek King have ever given. They speak about the baffling crime in their lives today.

Investigating the shooting of a young teacher and her philandering husband that left their families and neighbors divided.