Dateline NBC

Inside the defense of Florida grandmother Donna Adelson. In Long Island, a judge's ruling on DNA ahead of alleged Gilgo Beach serial killer, Rex Heuermann's, murder trial. Plus, almost 21 years after her daughter was murdered, a mother hits the road to bring awareness to the unsolved case.

Blayne Alexander and Keith Morrison sit down to talk about his episode “ Under a Full Moon.” Shauna Tiaffay, a cocktail waitress on the Las Vegas strip, was found beaten to death in her home in September 2012. Authorities wondered if the killing was a robbery gone wrong, until they got a tip that changed everything. It turned out that Shauna’s West Point graduate and EMT husband, George Tiaffay, had hired a hitman to carry out the crime. Keith and Blayne discuss how George was an unlikely killer and how his post-trial confession stunned his family. Later, Keith shares an extra clip from his interview with George’s sister. He and Blayne also answer your questions from social media. Listen to the full episode Under a Full Moon on Apple: https://apple.co/4lYmizk Listen to the full episode on Spotify: https://open.spotify.com/episode/6GQUTnC0bvj7kYN9iS9dRG To learn more about Dateline LIVE in Nashville on Sept. 28, and to get tickets, go here:https://www.nbcnews.com/dateline-event If you or somebody that you know is experiencing domestic violence or relationship abuse, contact the National Domestic Violence Hotline at 800-799-SAFE (7233), text BEGIN to 88788, or visit thehotline.org

A Las Vegas cocktail waitress is found murdered in her home, leading authorities to wonder if there is a predator at large. Keith Morrison reports.

Two of Donna Adelson's children testify this week for the prosecution. In Northern California, a missing woman's husband is indicted for her murder more than a year after she vanished -- and a year and a half after he was indicted on felony domestic violence charges for an alleged attack on her. Plus, a former prosecutor on DNA's uses and pitfalls. Find out more about the cases covered each week here: www.datelinetruecrimeweekly.com To learn more about Dateline LIVE in Nashville on Sept. 28, and to get tickets, go here: https://www.nbcnews.com/dateline-event

A mother of two vanishes from her home, leading investigators to uncover a disturbing connection between her recent weight loss and her mysterious disappearance. Andrea Canning reports.

Early one frigid morning, in a small rural New York town, a house burns to the ground, and a woman is found dead in the debris. It's called an accident, but is it? Andrea Canning reports.

17 year old Sarah Grace Patrick is accused of gunning down her mother and stepfather in Georgia. The defense team of the man accused of killing UNC Chapel Hill student Faith Hedgepeth in 2012 has filed motions that raise new questions about crime scene evidence. Updates on Florida matriarch Donna Adelson's trial and former MLB pitcher Dan Serafini. Plus, an inside look at police interrogations and the tactics investigators use. Find out more about the cases covered each week here: www.datelinetruecrimeweekly.com To learn more about Dateline LIVE in Nashville on Sept. 28, and to get tickets, go here: https://www.nbcnews.com/dateline-event

Blayne Alexander sits down with Keith Morrison to talk about his episode, "In a Lonely Place,” about the disappearance of Chris Smith, a California entrepreneur who vanished in June 2010. For months, his family believed he was traveling the world, thanks to a series of convincing emails. But what a sharp-eyed investigator eventually uncovered led to the truth: Chris had been murdered by his business partner, Ed Shin. Blayne and Keith discuss how the case slowly unraveled, and how Keith’s sit-down with Shin behind bars got testy. Keith also shares an extra clip from his interview with investigator Joe Dalu, whose instincts led him to a critical discovery. Have a question for Talking Dateline? DM us on social @DatelineNBC or leave a voicemail at (212) 413-5252. Your message might be featured in an upcoming episode. Listen to the full episode In a Lonely Place on Apple: https://apple.co/4mUiPCM Listen to the full episode on Spotify: https://open.spotify.com/episode/4iZOGhLs4h6XEJoc4ysSPj?si=8221d39ac645491d Listen to the episode “Body of Evidence” Keith mentions as another unusual interview with a killer here on Apple: https://apple.co/4mpEL8Z Listen to “Body of Evidence” on Spotify: https://open.spotify.com/episode/6xym79PJkeiO5oMzZ8x8w1?si=0fa4d6d5fabd402e

After California entrepreneur Chris Smith abruptly leaves his business, his family initially believes he is traveling the world until the shocking truth comes to light. Keith Morrison reports.

After more than a decade, Donna Adelson, the matriarch of a prominent Florida family, is about to go on trial for murder. International fugitive Nicholas Rossi stands trial in a Utah courtroom after allegedly faking his death to avoid prosecution for rape charges. In Dateline Round Up, we've got a verdict, a surprise guilty plea, and the latest on Alex Murdaugh's appeal. And 2025 has been a year of natural disasters — do you have your digital go bag packed? We break down what you need to know. Find out more about the cases covered each week here: www.datelinetruecrimeweekly.com To learn more about Dateline LIVE in Nashville on Sept. 28, and to get tickets, go here: https://www.nbcnews.com/dateline-event To listen to Andrea’s episode on Nicholas Rossi, “The Man of Many Faces,” go here: https://apple.co/3VDNusv

Blayne Alexander sits down with Josh Mankiewicz and Dateline producer Michelle Madigan to discuss their episode, “Open Water.” When Micki Kanesaki’s ex-husband Lonnie Kocontes invited her on a European cruise in 2006, she thought it would be a chance to rekindle their relationship. But a few days into the trip, Lonnie awoke to find Micki missing from their stateroom. After a boat captain found her body floating in the Mediterranean, both Italian and American authorities zeroed in on Lonnie as a possible suspect in her death. Two of his friends stepped in to prove his innocence – but soon came to an entirely different conclusion. Josh and Michelle share what it was like working on this episode during the pandemic in 2020. Blayne reveals her secret feelings about the open seas and Josh shares his not-so-secret feelings about cruises. Plus, Josh and Michelle answer viewer and listener questions from social media. If you have a question for Talking Dateline, send us a video message on social @datelinenbc or leave us a voicemail at 212-413-5252. Listen to the full episode “Open Water” on Apple: https://apple.co/4ltM66b Listen on Spotify: https://open.spotify.com/episode/6sbElILJRgm55N0aXQ9MKR?si=52f894b4cf764f8c To learn more about Dateline LIVE in Nashville on Sept. 28, and to get tickets, go here: https://www.nbcnews.com/dateline-event To make Keith or Josh your voicemail voice, go here: https://soundcloud.com/datelinenbc/sets/keith-and-josh-voicemails-1

A romantic Mediterranean cruise, intended to rekindle the love between Micki Kanesaki and her ex-husband, turns into a tragedy when she vanishes. Josh Mankiewicz reports.

Prosecutors at the Norfolk County Superior Court in Massachusetts share new details in the murder case against disgraced art salesman Brian Walshe, just two months after they finished one of the biggest trials of the year -- Karen Read. And Michael Proctor, the lead investigator in both cases comes under fire from the defense. Five years after an Arizona man was accused of robbing a young woman named Mercedes Vega, he is charged with her murder. Updates in the Karen Read and Sean "Diddy" Combs cases, plus jailhouse phone calls from convicted killer Brooks Houck. And how crime scene technicians can make or break an investigation. Find out more about the cases covered each week here: www.datelinetruecrimeweekly.com Listen to the NBC Boston podcast ""The Searches for Ana Walshe"" here: https://www.nbcboston.com/news/local/brian-walshe-murder-case-podcast-searches-for-ana-walshe-new-episodes-out-now-where-to-stream/3785005/ To learn more about Dateline LIVE in Nashville on Sept. 28, and to get tickets, go here: https://www.nbcnews.com/dateline-event

Dennis Murphy and Andrea Canning sit down to talk about Andrea’s episode “The Intruder,” about a violent 2014 home invasion in Saco, Maine, that left Rachel Owens fighting for her life. Rachel survived but was left to deal with another devastating blow — her husband, Greg Owens, was behind the attack. Andrea, Dennis, and producer Brad Davis, discuss Greg’s secret double life, and the two women at the heart of the story: Rachel and Betsy Wandke. They also share a behind-the-scenes clip from Andrea’s interview with Betsy, who used to run a self-defense group, and share updates on where both women are today. Plus, they answer your questions from social media. Have a question for Talking Dateline? DM us a video @DatelineNBC or leave a voicemail at (212) 413-5252 — your question might be featured in an upcoming episode. To learn more about Dateline LIVE in Nashville on Sept. 28, and to get tickets, go here: https://www.nbcnews.com/dateline-event Listen to the full episode "The Intruder" on Apple: https://apple.co/3UaUHiV Listen on Spotify: https://open.spotify.com/episode/4bkX7587uXGXVgxgFuKdcf?si=a272b4cd83f243db

When a violent home invasion rocks a small town in Maine, local police and the FBI launch a complex investigation that spans three states. Andrea Canning reports. Originally aired on NBC on June 2, 2017.

James Craig was accused of poisoning his wife Angela, and then trying to orchestrate a cover up from behind bars. A 16-year-old's death after a house party has created a sprawling -- and slow-moving -- legal case. Seven people were charged, some of whom police have reason to believe are part of a group called the Gilbert Goons. And the latest on recent interactions between the convicted sex trafficker -- who was Jeffrey Epstein's accomplice -- and the Department of Justice. Find out more about the cases covered each week here: www.datelinetruecrimeweekly.com

Blayne Alexander and Dennis Murphy sit down to discuss Dennis’s episode “Out There in the Dark.”After Brandy Daniels was found gunned down inside her car in the driveway of her home in Zanesville, Ohio, investigators quickly zeroed in on a pair of suspects. But it would take years to bring them to justice for the murder. Blayne and Dennis discuss what led one of the suspects to crack, and play an extra clip from Dennis’s interview with the girlfriend of the other suspect. Plus, they answer questions from social media and talk about burner phones, exotic animals, Harry Potter, and Dennis’s parka. If you have a question for Talking Dateline, send us an audio message on social @datelinenbc or leave us a voicemail at 212-413-5252.

In this Dateline classic, Dennis Murphy reports on the mysterious death of a young mother in Ohio and the ensuing investigation that spans years and multiple states. Originally aired on NBC on January 26, 2018.

In Idaho, families of the University of Idaho students murdered in their beds confront their killer Bryan Kohberger with words of anger and defiance, paying tribute to their loved ones. In Colorado, Dr. James Craig's girlfriend takes the stand against him as his trial on charges of fatally poisoning his wife enters its second week. And in Wisconsin, an unusual traffic stop cracks open a 30 year old double murder case. Find out more about the cases covered each week here: www.datelinetruecrimeweekly.com

Josh Mankiewicz and Keith Morrison sit down to discuss Keith’s episode “Secrets of the Sliding Door.” When beloved Staten Island teacher Simeonette “Sissy” Mapes-Crupi was found murdered in her home, investigators never imagined an escort by the name of Ms. Pumpkin would help lead them to her killer. Josh and Keith discuss the different theories of the crime and play an extra clip from interviews with Simeonette’s friends and family. Plus, they talk phony-sounding 911 calls, answer a listener question about detecting lies during interviews, and take a deep dive into Keith’s sneaker collection. If you have a question for Talking Dateline, send us an audio message on social @datelinenbc or leave us a voicemail at 212-413-5252. Listen to the full episode of “Secrets of the Sliding Door” here: https://apple.co/4mcISoq Listen to Josh’s episode “The Evil to Come” referenced during the 911 call discussion: https://apple.co/44Hxv1M Listen to Keith’s episode “The Mystery in Rock Hill” also referenced during the 911 call discussion: https://apple.co/4o3G8va