A sudden moment of terror launches a frantic search for a costumed killer. Reported by Josh Mankiewicz, “Internal Affairs” is a story about bad choices, a fatal attraction and people who proudly wore badges at work -- while living lies at home. Follow now to get new episodes weekly, or subscribe to Dateline Premium on Apple Podcasts for early access and ad-free listening: apple.co/datelinepremium

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When a wife and mother is murdered in Greeley, Colorado, responding investigators suspect the costumed killer is someone they know.

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A secret affair gets discovered, and a murder suspect gets cuffed.

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Choices about relationships, revelations and reconciliation set a murder in motion.

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A detective plays cat and mouse with an unusual suspect, while crime scene evidence raises questions for investigators.

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Recorded phone calls from a suspect in jail reveal the ties that bind unraveling.

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A woman at the center of the case turns state’s evidence and the defendant takes the stand.

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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.

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