Husband faces trial for allegedly plotting wife's murder at amusement park. Outrage and grief over the murder of an aspiring beauty queen. And police seek help identifying mystery baby by making a documentary.

Lester Holt sits down with Blayne Alexander to discuss her latest episode, “A Perfect Spring Morning.” Leslie Preer was found brutally murdered in her Chevy Chase, Maryland, home in May of 2001. Her husband, Sandy, was investigators’ prime suspect until DNA cleared him and the case went cold. After more than 20 years of persistence fromLauren Preer, the couple’s only child, detectives caught Leslie’s killer: Lauren’s ex-boyfriend from high school, Eugene Gligor. Blayne tells Lester about the lasting effects both the crime and the lengthy investigation had on Lauren and Sandy and shares how a new set of eyes on the case made all the difference. Later, Blayne shares a podcast-exclusive clip ofLeslie’s brother Bill Jennings speaking at Gligor’s sentencing. Plus, Blayne and Lester answer viewer and listener questions. Have a question for Talking Dateline? DM us a video to @DatelineNBC or leave a voicemail at (212) 413-5252. Your question may be featured in an upcoming episode. Listen to the full episode of “A Perfect Spring Morning” on Apple: https://apple.co/3J67KjH Listen on Spotify: https://open.spotify.com/episode/0q1RPIDq1rMJE5u1GrRJH2

Quiet Chevy Chase, Maryland, is shaken when wife and mother Leslie Preer is found murdered in her shower. The case goes cold until a surprising lead unmasks the killer. Blayne Alexander reports.

Andrea Canning sits down with the creator and lead actors from Peacock's new original limited series, "Devil in Disguise: John Wayne Gacy" to talk about making a new kind of true crime drama. One that focuses on the victims, the victims' families, and the detectives who never gave up on their mission to bring the victims home.

A man convicted of hiring his best friend to murder his wife gets a new day in court. Model Courtney Clenney argues self-defense. And an inside look at the new TV drama, "Devil in Disguise: John Wayne Gacy."

Lester Holt talks with Josh Mankiewicz about his episode, “The Prince, The Whiz Kid, & The Millionaire.” After retired art dealer and Palm Springs socialite Cliff Lambert vanished in 2008, investigators uncovered a plot by a group of grifters that ended in murder. Lester and Josh discuss the mistakes the killers made leading up to their arrests and are joined by Dateline producer David Ketterling to talk about how he captured the essence of Palm Springs on camera. They play a podcast-exclusive clip from an interview with an opera singer who had a run in with one of the conspirators and discuss the pros of doing interviews in cars. Plus, they answer your questions from social media. Listen to the full episode of “The Prince, The Whiz Kid, & The Millionaire” on Apple: https://apple.co/46Pk4hk Listen on Spotify: https://open.spotify.com/episode/1AEZRIusS9zJoxkahTV6KJ

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.

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."

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.

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. 

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

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