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.

As a special preview for Dateline listeners, here’s a sneak peek from the seventh and next-to-last episode of Letters from Sing Sing, an original podcast from NBC News Studios hosted by longtime investigative reporter Dan Slepian. In this clip, we hear from JJ as he continues to fight for his freedom, as a global pandemic makes life in prison even more dismal. Follow the podcast and listen to all episodes now: https://link.chtbl.com/lfss_fdsv

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.

Andrea Canning reports on the latest developments in the lengthy search for justice in the murder of former NBA star and hometown hero Lorenzen Wright.

As a special preview for Dateline listeners, here’s a sneak peek from the sixth episode of Letters from Sing Sing, a new original podcast from NBC News Studios hosted by longtime investigative reporter Dan Slepian. In this clip, we hear about the tragic impact that being wrongfully imprisoned for nearly two decades has had on JJ’s life. Follow the podcast and listen to the first six episodes now: https://link.chtbl.com/lfss_fdsi

Josh and Keith take you behind-the-scenes of the making of Keith’s recently aired “Finding Rita” episode, about a Colorado mother whose disappearance was a mystery until a detective found a connection to a previous crime. In their revealing conversation, Keith and Josh also share insights and anecdotes from memorable stories they’ve reported on over the years.

When a Colorado mother vanishes without a trace, the detective investigating her disappearance discovers a connection to a previous assault. Keith Morrison reports. If you or someone you know is experiencing domestic violence, sexual assault, or is in crisis, please contact the following for help and resources: National Domestic Violence Hotline: 1-800-799-SAFE (7233) or www.thehotline.org National Sexual Assault Hotline: 1-800-656-4673 or https://rainn.org/ Suicide & Crisis Lifeline: Call 988 or go to https://988lifeline.org/

As a special preview for Dateline listeners, here’s a sneak peek from the fifth episode of Letters from Sing Sing, a new original podcast from NBC News Studios hosted by longtime investigative reporter Dan Slepian. In this excerpt, JJ finally gets a face-to-face with the Manhattan DA’s office. But things don’t go quite how he’d hoped. Follow the podcast and listen to the first five episodes now: https://link.chtbl.com/lfss_fdfv

In this Dateline classic, when a young newlywed falls to her death from a 1,000-foot cliff questions emerge. Was it an accident, or was she pushed? Keith Morrison reports. Originally aired on NBC on June 11, 2007.

A once-prominent South Carolina attorney, Alex Murdaugh, faces a trial for the murders of his wife, Maggie, and son, Paul. Craig Melvin reports.

As a special preview for Dateline listeners, we’re sharing a sneak peek from the fourth episode of Letters from Sing Sing, a new original podcast from NBC News Studios hosted by longtime investigative reporter Dan Slepian. In this excerpt, Dan tracks down two of the jurors from JJ’s trial. What they had to say stunned him. Follow the podcast and listen to the first four episodes now: https://link.chtbl.com/lfss_ef

As a special preview for Dateline listeners, we’re sharing a sneak peek from the third episode of Letters from Sing Sing, a new original podcast from NBC News Studios hosted by longtime investigative reporter Dan Slepian. It’s a story that started in 2002 with a single letter from an incarcerated man claiming his innocence. 20 years later, it’s still unfolding. In this episode, JJ Velasquez discovers from his prison cell that detectives were looking at a different primary suspect before JJ’s name ever came up. Follow the podcast and listen to the first three episodes now: https://link.chtbl.com/lfss_et

A Florida father is determined to find out what happened to his daughter after her fatal fall from a penthouse apartment in Belgium. Dennis Murphy reports.

In this Dateline classic, an airplane mechanic goes missing. His wife says he left on a flight with a mysterious passenger. But when details emerge about the mechanic’s life on the ground, police begin to question his marriage. Keith Morrison reports. Originally aired May 30, 2008.

As a special preview for Dateline listeners, we’re sharing an excerpt from the second episode of Letters from Sing Sing, a new original podcast from NBC News Studios. Letters from Sing Sing tells the story of a man convicted of murder, his fight for justice, and how the letters he sent NBC News producer Dan Slepian sparked a 20-year investigation that changed both of their lives. Follow the podcast and listen to the first three episodes now: https://link.chtbl.com/lfss_fdd

In this Dateline classic, Victoria Corderi talks with couples who had hoped to find a birth mother through independent adoptions online. They thought they found the perfect person, but after giving their money and their trust, a cold-hearted scam was exposed that left them all devastated. Originally aired on NBC on July 7, 2006.

The missing persons case of 12-year-old Jonelle Matthews in Colorado remains a mystery for more than 3 decades until detectives narrow in on a suspect whose bizarre behavior after her disappearance hints at something much more sinister. Dennis Murphy reports.

Go inside the courtroom for the trial of the year. Today Show Anchor and Dateline Correspondent Craig Melvin and Dateline Producer Carol Gable — two proud natives of South Carolina — dissect the just-concluded prosecution case against Alex Murdaugh for the murders of his wife and son, charges to which he has pleaded not guilty. They analyze key moments, review dramatic testimony, and assess the trial so far, with the defense about to take center stage.

In this Dateline classic, two women believe they have information on a decades-old cold case that has been virtually forgotten. And when the Los Angeles Police Department opens a new cold case unit, the stories the women tell would give detectives a chance to catch a serial killer. Keith Morrison reports. Originally aired on NBC on June 20. 2008. Additional footage: San Luis Obispo Chamber of Commerce