Open Water

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/4mUiPCMListen to the full episode on Spotify: https://open.spotify.com/episode/4iZOGhLs4h6XEJoc4ysSPj?si=8221d39ac645491dListen to the episode “Body of Evidence” Keith mentions as another unusual interview with a killer here on Apple: https://apple.co/4mpEL8ZListen 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.comTo learn more about Dateline LIVE in Nashville on Sept. 28, and to get tickets, go here: https://www.nbcnews.com/dateline-eventTo 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