It was an unlikely union: a 23-year-old beauty and a 57-year-old real estate tycoon. The love affair would end with three people shot and one of them dead, in a bloody whodunnit. Dennis Murphy reports. Originally aired on NBC on June 27, 2008.

Keith Morrison reports the latest on the investigation into the case that caught the world’s attention — the murders of four college students in Moscow, Idaho.UPDATE: On May 22, 2023 a judge entered not guilty pleas on all murder charges on behalf of Bryan Kohberger as the defense stood silent.

As a bonus for you, we’re sharing the trailer for Season 2 of Dateline: Missing in America. The chart-topping podcast series is back with a brand-new season and brand-new cases.Are you the key to solving a mystery? Correspondents Josh Mankiewicz, Andrea Canning and Keith Morrison report on perplexing missing person cases brought to Dateline’s attention by our social media followers. Each episode focuses on one person’s story, as told by those left behind. Listen carefully to the details, descriptions and clues offered by family, friends and investigators. Something you hear might jog a memory that could help authorities crack a case. Join us for the first two episodes on May 30th and make sure to follow Dateline: Missing in America here: https://link.chtbl.com/mias2_fdlw

When a Kentucky man is convicted of murdering his co-worker, it appears the mystery is solved until a stunning disclosure years later turns the closed case upside-down. Josh Mankiewicz reports on the new trial that had both sides of the courtroom bracing for what would come next. Originally aired on NBC on June 28, 2019.

Keith Morrison returns to Idaho for the latest in the Lori Vallow Daybell case, revealing details from inside the courtroom on key evidence and powerful witness testimony that led to a verdict. 

A young woman finds out that her boyfriend might have shot and killed a college football player out of revenge. She struggles with coming forward to officials, fearing she could lose her life. Keith Morrison reports. Originally aired on NBC on March 22, 2019.

Amy Preasmyer and friends place a frantic call to 911 after discovering her boyfriend in a pool of blood. The killer speaks out for the first time to Keith Morrison about what really happened. Keith Morrison reports.

24-year-old Lindsay Buziak was just starting out as a real estate agent and thought she landed the assignment of her dreams -- clients who wanted to buy a million dollar home. But golden opportunities are not always what they seem. Josh Mankiewicz reports in this Dateline classic. Originally aired on NBC on September 17, 2010.

When a woman's fifth husband dies in a hospital under suspicious circumstances, an investigation reveals a checkered past full of spurned lovers and wild allegations. Keith Morrison reports.

Josh Mankiewicz and Andrea Canning take us behind the scenes of Andrea’s “Dead Man Talking” episode. They discuss Andrea’s memorable interview with Arthur Knight, the man who claims he is not American fugitive Nicholas Alahverdian, also known as Nicholas Rossi. They also talk about the incredible strength of the women who shared their stories with Dateline.

Investigators search for an American fugitive accused of faking his own death to evade law enforcement agencies. Andrea Canning confronts the man at the center of the international mystery.If you or someone you know is experiencing domestic violence please contact the National Domestic Violence Hotline at 1-800-799-SAFE (7233) or www.thehotline.org

For Miriam and Alan Helmick, both widowed, life gave them a second chance at love – until Alan was found dead, and details from Miriam’s past revealed she had some dark secrets. Dennis Murphy reports. Originally aired on NBC on May 14, 2010. 

When a young woman's body is discovered in an abandoned building, it sparks an investigation that lasts nearly two decades and pushes one family’s own search for justice. Andrea Canning reports.

The latest in the murder of Laci Peterson, including new details on the appeals of convicted killer Scott Peterson. Keith Morrison reports.

After 27-year-old Jonathan Crews dies mysteriously in his Texas apartment, his family takes matters into their own hands in an effort to find answers. Josh Mankiewicz reports.

In this Dateline classic, Josh Mankiewicz reports on the story of a mother’s fight for justice after her daughter and 10-month-old grandson are found strangled to death in their home. Originally aired on NBC on March 18, 2011.

In a network exclusive, Kristin Smart’s parents sit down with Josh Mankiewicz following the arrest and conviction of their daughter’s killer. 

When Crystal Taylor is murdered, her sisters are determined to find the killer. Josh Mankiewicz reports. 

The lead investigator takes Andrea Canning inside the investigation of the murder of world-renowned snake breeder Ben Renick, who was found shot to death in his snake facility.

Ann Racz loved her children more than anything. So why would she leave them so suddenly, without a word? Getting the answer to that question would take more than 16 years, as Keith Morrison reports in this Dateline classic.  Originally aired on NBC on April 18, 2008.