Dennis Murphy reports on the case of a man accused of murdering his wife during a stroll along the moonlit beach, followed by a self-inflicted gunshot wound intended to conceal his crime.

In a court of Law, DNA evidence is a slam dunk proof of guilt. But not in this case involving identical twin brothers.

It's what prompted our entire series of predator investigations: Grown men sending graphic e-mails to young teenagers. And now, it's what has forced a powerful congressman out of office in the scandal that's consuming Washington. Representa…

Petaluma, California, a town recently in the national spotlight due to two prominent predator cases, offers a stark backdrop for this investigation. Viewer discretion is advised; the following footage contains explicit content. This report …

The catalyst for our series of investigations into predatory behavior was the disturbing revelation of grown men sending graphic emails to young teenagers. Now, this same issue has triggered a scandal that has ousted a powerful congressman …

A teen is killed by a bullet during a party and his friend loses his freedom to what he says is a lie.

Loved by many, attractive, bright and kind -- Mary Lynn Witherspoon lived a sweet, southern life anybody could envy -- until a young man obsessed by her decided to take it away

A preacher and a husband involved in bigamy says his wife ran away

An anonymous post appeared online, cautioning viewers that Dateline's hidden cameras were active in the area. Yet, it seems this warning did little to deter the individuals involved. We caution that the following content contains explicit m…

Long Beach, California, has recently seen a significant law enforcement sweep, with over thirty men taken into custody in the span of just three days. Perhaps the most startling arrest from our latest investigation occurred not under cover …

Dateline's remarkable investigation has yielded further arrests, bringing more predators to justice.

The report will be broadcast on NBC this Tuesday, February twentieth.

Cameras from Dateline are positioned on the beach, while those suspected of wrongdoing are active online. We caution viewers that the following content contains explicit material. The report will air Tuesday, February 27th, on NBC.

Dateline's investigation in Florida yielded a startling result: over four days, twenty-one individuals suspected of predatory behavior appeared at the program's undercover beach house. Viewers are cautioned that the following content contai…

Tonight, we accompany Chris Hansen behind the scenes of a series that has captivated audiences. Whether one admires or criticizes it, the program holds a compelling power. This episode offers particularly gripping personal stories and unfor…

Chris Hansen resumes his work, venturing into perilous situations to unmask online scams. His investigations focus on deceptive emails that prey on vulnerable individuals with promises of wealth from overseas.

Chris Hansen of Dateline ventures into an undercover investigation, beginning with the glow of a computer screen and extending across the breadth of America, ultimately reaching the other side of the Atlantic.

The pursuit of Wendy, the suspected architect of a vast international identity theft operation, has led us across the country and now extends across continents. This ring specializes in pilfering credit card and banking details, using stole…

Does it seem as though *Dateline* is the sole means of uncovering criminal activity? Tonight, undercover cameras in Houston, Texas, and reporter Victoria Corderi follow not only the car thefts, but also the vehicles themselves.

A series of three shootings in Albuquerque, New Mexico, resulted in a total of five fatalities.

Three separate shootings in Albuquerque, N.M. left five dead. Why wasn't a mentally ill man stopped before he started his brutal rampage?

A montage of personal and AP photos of mourning and support on the VT campus.

A rare look at the frightening power of a charismatic killer, just 18 years old -- a teenage mastermind who convinces other kids to kill. Would even a hardened reporter covering his story get caught up in the spell?

One woman's journey to identify her rapist and to bring him to justice.

A young newlywed falls to her death from a 1,000 foot cliff. Did she fall accidentally?

Princes William and Harry discuss their mother, Princess Diana, and the benefit concert they plan to hold to commemorate the 10th anniversary of her death.

A preacher and his wife looked like they had a marriage mage in heaven - until a body was found in the parsonage.

A Day At The Beach The fascinating Chris Hansen Dateline undercover sting series continues with new episodes. Tonight, in a multimillion dollar home on a beach in New Jersey, predators are still pursuing underage children and Perverted Just…

On Nantucket Island, Mass., a couple, Beth Lochtefeld and Tom Toolan's, connection is instantaneous, but their summer romance takes a tragic turn; it seems like an open-and-shut case, but there's a surprise in store.

When a husband is murdered, investigators discover a twisted tale of secrets, lies and infidelity.