Hey Dateline fans! As a bonus, we’re giving you a special preview clip of our new podcast series, The Man in the Black Mask. It’s the story of a rising young director shooting a frightening film about a serial killer in a hockey mask. But when a man goes missing near the set, a real-life horror story unfolds…     If you like what you hear, just search The Man in the Black Mask to listen to the first two episodes now, completely free. Or, subscribe to Dateline Premium on Apple...

Hey Dateline fans! As a bonus for you, we’re sharing the trailer for The Man in the Black Mask, an all-new original podcast series from Dateline and Keith Morrison.   It’s the story of a rising young director shooting a frightening film about a serial killer in a hockey mask. But when a man goes missing near the set, a real-life horror story unfolds…   Follow now to get the first two episodes on Tuesday, October 15 completely free. Or, subscribe to Dateline Premium on Apple...

In this bonus episode of the award-winning Letters from Sing Sing podcast, veteran producer Dan Slepian reflects on the final chapter in J.J. Velazquez’s hard-fought path to full exoneration after being wrongfully convicted of murder over two decades ago. Dan and J.J. join Kristen Welker on Meet the Press for a “Meet the Moment” conversation to detail their 20+ year path to overturning J.J.’s conviction.

Hear an exclusive audio excerpt from NBC News and Dateline producer Dan Slepian’s new book “The Sing Sing Files” which chronicles his two-decade journey navigating the criminal justice system to help free six innocent men.  Available now wherever books and audiobooks are sold.  For more details and to purchase, follow this link:

https://bit.ly/TheSingSingFilesDateline

JJ is out of prison, but in the eyes of the law, he is still a convicted killer.

For the first time in 19 years, JJ puts on a suit and goes to court.

JJ turns 40. Jon gets in trouble. Dan receives a mysterious envelope with missing police reports.

The Manhattan DA’s office reinvestigates JJ’s case. A tip surfaces about Mustafa and Dan follows it to Seattle.

Dan talks to two jurors from JJ’s trial and tracks down the alleged accomplice. JJ’s story finally goes public.

Police said five people identified JJ as the man who killed Al Ward. Dan sets out to find them.

Dan checks out JJ’s alibi and pours over the 2,000-page trial transcript. It’s clear to him the trial was strange and he’s left with more questions.

Dan Slepian receives a letter from a man in prison. He’s been convicted of murder, but he insists he’s innocent. He even challenges Dan to prove him guilty.

Josh Mankiewicz and Dan Slepian discuss the issues of wrongful convictions in front of a live audience at the CrimeCon conference in New Orleans. This episode was originally published on September 2, 2019.

It’s been more than 20 years since Richard Rosario was convicted of a murder he says he could not possibly have committed. If he didn’t do it, who did? And what’s next for Rosario and his family? This is the final episode of Dan Slepian’s 3-year investigation. This episode was originally published on May 16, 2019.