Josh Mankiewicz reports on the disappearance of a retired art collector and Palm Springs socialite, one of the longest and most expensive missing-persons investigations in California history.

Days before Robert Roberson's scheduled execution, his lawyer scrambles to save his life. The Texas Court of Criminal Appeals weighs in.

As Robert Roberson’s execution nears, his attorney uncovers critical evidence and unlikely new allies, including Texas lawmakers and the detective who helped put Robert on death row. 

Attorney Gretchen Sween takes on Robert's case and pieces together Nikki’s overlooked medical history.  She tracks down a witness from his trial who has new information.

When 2-year-old Nikki is rushed to a Texas hospital and doesn’t survive, her father, Robert Roberson, is accused of causing her death. Prosecutors say he shook and beat her in a case of "shaken baby syndrome."

A verdict in Sarah Hartsfield's trial. Sean Combs is sentenced. Plus, Lester Holt investigates the case of a man scheduled to die next week.

Blayne Alexander talks with Keith Morrison about his episode, “The Bucket Hat Mystery.” In 2022, acupuncturist Jon Tokuhara was found shot inside his Hawaii clinic. The investigation into his death revealed a complicated story of love, jealousy, and control that eventually led to the conviction of Eric Thompson, the husband of one of Jon’s former lovers. Blayne and Keith discuss reporting the story in Hawaii and the creative ways the team came up with to tell it. Plus, they dive into how security footage and a fallen bucket hat became key pieces of evidence. They also share part of Keith’s interview with a juror who describes what went on inside the deliberation room, and answer viewer questions from social media. Have a question for Talking Dateline? DM us @DatelineNBC or leave a voicemail at (212) 413-5252. Your question may be featured in an upcoming episode. Listen to the full episode of “The Bucket Hat Mystery” on Apple: https://apple.co/46GHHIU Listen on Spotify: https://open.spotify.com/episode/37LkgPcls7fYdQAaNRuiCt

When acupuncturist Jon Tokuhara is shot dead in his clinic, investigators uncover a tangled love life and several persons of interest -- until security video reveals an unexpected suspect. Keith Morrison reports.

Hey Dateline fans! As a bonus for you, we’re sharing a special preview clip of The Last Appeal, an all-new original podcast series from Dateline and Lester Holt. In this series, Lester Holt takes listeners inside the urgent case of Robert Roberson, a Texas father set to be executed on October 16th for the 2002 death of his 2-year-old daughter. Lester is on the ground in Texas, where he examines the evidence against Roberson and talks to the people closest to the case, including the lead detective, who now believes he helped put an innocent man behind bars. Lester’s exclusive interviews reveal critical information the jury never heard. This series will confront listeners with questions about justice and truth, and perhaps the most haunting question of all: Is an innocent man about to be put to death? To start listening, just search “The Last Appeal”. And remember to follow for new episodes releasing each day this week. For ad-free listening, subscribe to Dateline Premium on Apple Podcasts, Spotify, or DatelinePremium.com.

The trial of a Texas woman accused of murdering her fifth husband gets underway. In Mississippi, a father goes on trial after his daughter and wife take deals. And how to skip spam texts and phone calls.

Lester Holt sits down with Josh Mankiewicz to talk about his latest episode, “The Phantom.” In the fall of 2023, Colorado mother Kristil Krug was found murdered after she was stalked for months. Investigators initially believed her stalker and potential killer was her high school ex-boyfriend. But they soon realized they’d been led astray, and the killer was in front of them all along: Kristil’s husband, Daniel Krug. Lester and Josh discuss how Kristil helped solve her own murder through meticulous logging and how police finally zeroed in on Dan. Later, Josh shares a podcast-exclusive clip from his interview with Kristil’s cousin, who’s now an anti-stalking advocate. Then, Josh and Lester answer your questions from social media. Listen to the full episode of “The Phantom” on Apple: https://apple.co/4mGwFYA Listen on Spotify: https://open.spotify.com/episode/1aD1jMdHTYYbM6iywq62sU

Investigators initially think there is an obvious suspect in the murder of Colorado mother Kristil Krug, but uncover an elaborate plot that turns everything upside down. Josh Mankiewicz reports.

Hey Dateline fans! As a bonus for you, we’re sharing the trailer for The Last Appeal an all-new original podcast series from Dateline and Lester Holt. In this series, Lester Holt takes listeners inside the urgent case of Robert Roberson, a Texas father set to be executed on October 16th for the 2002 death of his 2-year-old daughter. Lester is on the ground in Texas, where he examines the evidence against Roberson and talks to the people closest to the case, including the lead detective, who now believes he helped put an innocent man behind bars. Lester’s exclusive interviews reveal critical information the jury never heard. This series will confront listeners with questions about justice and truth, and perhaps the most haunting question of all: Is an innocent man about to be put to death? Follow now to get the first episode on Monday, October 6. For ad-free listening, subscribe to Dateline Premium on Apple Podcasts, Spotify, or DatelinePremium.com.

In Texas, a woman accused of poisoning her fifth husband is gearing up for trial next week. A California hookah lounge owner was found guilty of murdering his girlfriend over a decade ago, but the conviction was overturned. Now, he's getting a new trial. Updates in the Karen Read and Rex Heuermann cases. Plus, the Dateline correspondents are hitting the stage live in Nashville this weekend, and we've got a preview. 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

Lester Holt sits down with Andrea Canning to talk about her episode, The Betrayal of Sandra Birchmore. In 2021, a young teacher’s aide named Sandra Birchmore was found dead in her bedroom in what appeared to be a suicide. The news perplexed her family, who wondered if Sandra’s relationship with a married police officer could have something to do with her death. Lester and Andrea unpack how Sandra’s death led a local chief of police to investigate her own officers — and blow the whistle on their alleged misconduct. Plus, they answer viewers’ questions. Have a question for Talking Dateline? DM us @DatelineNBC or leave a voicemail at (212) 413-5252. Your message might be featured in an upcoming episode. Listen to the full episode of The Betrayal of Sandra Birchmore on Apple: https://apple.co/46yRGyn Listen on Spotify: https://open.spotify.com/episode/1x6by4vR31XrbR1FKpA35D To learn more about Dateline LIVE in Nashville on Sept. 28, and to get tickets, go here: https://www.nbcnews.com/dateline-event

Sandra Birchmore vanishes after a February nor'easter. Days later, the young teacher’s aide is found dead in her home under mysterious circumstances. Andrea Canning reports.

A New Jersey man accused of murdering his brother and his brother's entire family, then setting fire to both their homes to cover up his crimes, wants out of jail after seven years waiting for trial. In Florida, prosecutors release all-new evidence to the public as they build their case against a couple they say orchestrated a hit on Microsoft employee Jared Bridegan. Updates on Chad Daybell and his jailhouse letters, and the sentencing of Brooks Houck, the convicted killer of Kentucky mom Crystal Rogers. Plus, why sentencing a murderer is harder than you'd think. 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, The Night of the Audition. In 2014, 25-year-old Shannon Madill disappeared from Calgary, Alberta. The aspiring actress vanished just days after an audition she hoped would lead to her big break. At first, her husband, Josh Burgess, claimed she had left for an acting job, but months later police uncovered the truth: Josh Burgess had killed her. Blayne and Keith discuss the long investigation that led to Burgess’s confession. They also talk about Shannon’s mother, Lisa, and how she found strength through boxing following her daughter’s murder. Plus, they answer viewers’ questions. Have a question for Talking Dateline? DM us @DatelineNBC or leave a voicemail at (212) 413-5252 — your message might be featured in an upcoming episode. Watch the full episode “The Night of the Audition” on Apple: https://apple.co/3In27x7 Watch on Spotify: https://open.spotify.com/episode/0mHWIYUNc9oAsrqV5SDjQV

Days after the biggest audition of her acting career, Shannon Madill Burgess fails to show up for a family gathering. Unsettling details emerge during the investigation into her disappearance. Keith Morrison reports.

After just over three hours of deliberations, a Florida jury finds Donna Adelson guilty on all counts — but could more charges be coming in the case? In Utah, a woman is charged with killing her husband. Now, she's admitted to her role in the plot — and says her mother and brother were involved, too. Updates on the Burning Man murder and the Wisconsin kayaker who faked his own death. Plus, when should a defendant take the stand in their own defense? 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