A years-long international hunt after Sue Ann Marcum, an accounting professor at American University, is found murdered in her Maryland home.

The Professor & The Poet

Take Two

Malice

The murder of a Colorado mother seems to point to an obvious suspect, but as investigators dig deeper, they uncover and elaborate plot filled with secrets and deception that turns the entire case upside down.

The Phantom

Paradise turns deadly in Oahu, HI, when Jon Tokuhara, an acupuncturist and surfer with no known enemies, is shot dead in his clinic. Investigators uncover the victim's tangled love life, pointing to several persons of interest - until surveillance video reveals a new and unexpected suspect.

The Bucket Hat Mystery

When 74-year-old Clifford Lambert goes missing in California, the case eventually reveals a sophisticated web of deception, forged documents, and greed-fueled betrayal—resulting in multiple convictions, one inmate’s death, and a decade-long legal saga that only recently concluded.

The Prince, The Whiz Kid & The Millionaire

The quiet community of Chevy Chase, MD, is shaken when mother Leslie Preer is found murdered in her shower. Detectives find plausible suspects quickly, but without evidence the case goes cold until a surprising lead unmasks the killer two decades later.

A Perfect Spring Morning

On the morning of July 18, 2014, esteemed Florida State University law professor Dan Markel was ambushed and shot twice in the head in his Tallahassee driveway. What began as a targeted assassination in a quiet Tallahassee neighborhood would eventually expose a web of lies, manipulation, and greed within a wealthy South Florida family.

Deadly Mischief

Steven Schwartz, a prominent kidney specialist, was found brutally murdered on May 28, 2014, in his waterfront home in Tarpon Springs, FL. At first glance, the scene looked like a botched burglary, but investigators would eventually uncover a decades-old secret that led to a violent killing.

The Death of Dr. Schwartz

The disappearance of a mother of five sends shockwaves through the picturesque town of Bardstown, Kentucky, which witnesses five murders in four years. Frustrated with stalled progress, her family takes the investigation into their own hands.

The Trouble in Bardstown

Investigators discover a car engulfed in flames in a remote wooded area near the Blue Mountains. When first responders pull the body of a local mother from the wreckage, the question arises: was the crash an accident, or something far more sinister?

Running Man

In rural Wisconsin, Tanna Togstad and her boyfriend Tim Mumrue are found stabbed to death inside her farmhouse in 1992. Thirty years later, the daughter of one of the original suspects comes forward, reigniting the case all the way to trial.

Raising the Dead

When Tom Perez Sr., a father from Fontana, California, fails to return home after a quick trip to check his mail, his son calls police for help—only to find himself the focus of their investigation until a stunning revelation upends the case.

The Ruse

After a 911 call reporting a home invasion, police discover Karina Cooper sitting on her husband Ryan's blood-covered body in their Traer, Iowa, farmhouse. In the aftermath of Ryan Cooper's murder, rumors sweep through the small town, but investigators must uncover whether the talk is gossip or a crucial clue.

The Farmer's Wife

Sarah Hartsfield's husband Joseph died in 2023 after being hospitalized in critical condition for hypoglycemia—a dangerous drop in blood sugar. Investigators would soon find a web of suspicious deaths in Sarah's past.

The Trouble with Sarah

A house fire in South Texas kills Patricia Leigh Mills while her young son miraculously escapes.

Secrets in the Ashes

A University of Mississippi student vanishes from his apartment. Friends and family fear that Jimmie "Jay" Lee's identity as a Black gay man may complicate the pursuit of justice.

Bringing Jay Home

In Georgia, Jake Embert's death by gunshot is quickly ruled a suicide. His family believes there is more to the story and searches for justice for years, enduring a legal saga that spans three criminal trials.

Rockland County podiatrist Ira Bernstein and his girlfriend Kelly Gribeluk are accused of plotting to kill his wife, Susan Bernstein. Just when the case seems closed… the plot reignites.

In her first interview since her mother Nancy Guthrie disappeared, "Today's" Savannah Guthrie speaks out.

Savannah Speaks

Never-before-seen footage of the au pair in the Virginia double murder case involving a father accused of killing his wife, Christine Banfield, and a stranger, Joseph Ryan.

Temptation

On November 29, 2019, Alice Ku disappeared while on a trip to Taiwan with her husband, making Toroko National Park the backdrop of an international mystery.

The Gorge

On June 5, 2021, a masked and hooded intruder entered the lakeside residence of Gary Spohr and Wendy Wood, shooting them both, killing Gary and leaving Wendy with life-changing injuries. The fear spread around the wealth-encrusted shores of Lake Tahoe.  It would take investigators over two years to unravel this complex case of bad investments, drugs, affairs, and murder.

Deadly Swagger

When Eric Richins died in 2022, what began as a story of loss turned into a criminal case built on toxicology findings, phone data, financial records, witness testimony, and evidence of strain inside his marriage.

Book of Lies

When Tara Baker, a law student at the University of Georgia, is found murdered in her home in 2001, suspicion falls on someone close to her. For years, her family searches for answers as the case goes cold. Decades later, renewed attention leads to an arrest and a dramatic courtroom twist.

A Window of Time

Morgan Fox, a 29-year-old mother, was shot and killed while leaving for work as an operations manager at a FedEx Ground facility in Stark County, Ohio. Investigators find that Morgan had complained about harassment at work from her male co-workers, so they begin interviewing them, one by one.

Breaking Point

The latest in the Alex Murdaugh case, including new interviews.

In the Matter of Alex Murdaugh

Exclusive new details and insight into the Luigi Mangione investigation.

A Killing in Midtown

Ana Knezevich, a young, successful businesswoman, moves from South Florida to Madrid for a fresh start, but goesmissing just a few months after relocating. As her friends begin to search for her in Madrid, the FBI and Spanish police also investigate her disappearance and examine all possibilities, including her relationships.

Missing Ana

A few days after Regina Rowe-Hicks failed to show up to pick up her son in 2001, authorities discovered Regina's body in her white Camaro submerged in a pond. An autopsy showed injuries from an attack before she entered the water. For decades, Regina's murder remained one of Ohio's most frustrating unsolved cases, until a a cold case unit pushed a witness to come forward.

Secrets Unmasked

In the dark early morning of July 4, 2025,  water levels along the Guadalupe River in Texas rose 26 feet in just 45 minutes. At Camp Mystic, a girls camp, 28 people lost their lives, including 25 girls aged 8 to 10 years. Camp Mystic mothers who lost their daughters speak about grief, their bond, and the investigation.

After the Flood

When a mother of two named Ella Jackson vanishes from her Kentucky home in 2019, the detectives uncover a series of witness statements and evidence that lead them to a primary suspect.

The Bluegrass Mystery

After a deadly fire at a New Jersey mansion, detectives uncover a link to an earlier blaze that exposes a shocking web of deception. Andrea Canning reports.

Slow Burn

When a woman finds a body on a rural road outside of Indianapolis, police learn the victim might have been poisoned with mushrooms.

The Mushroom Mystery

Dee Ann Warner was 52 years old when she disappeared from Franklin Township in Lenawee County, Michigan, in April 2021. The three-year investigation stalled until a single X-ray image provided a breakthrough.

The Day Dee Disappeared

New Yorkers captured by NBC News cameras on 9/11 share their stories of survival and resilience.

Facing Ground Zero: A Dateline Special

A burglary leads investigators to uncover a plot to poison an Indiana man, with a mother and her daughter at the center of the investigation.

The Man Who Loved Christmas

Dateline NBC, or simply Dateline, is a weekly American television newsmagazine series. It was previously the network's flagship newsmagazine, but now focuses mainly on true crime stories with only occasional editions that focus on other topics.

The Professor & The Poet

Seasons35

Season 34 Episodes35

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