Mark Sievers fights death sentence. Miami model accused of murder. Plus, John Wayne Gacy mini-series. episode artwork

EPISODE · Oct 16, 2025 · 28 MIN

Mark Sievers fights death sentence. Miami model accused of murder. Plus, John Wayne Gacy mini-series.

from Dateline NBC · host NBC News

Dennis Murphy drops by to talk about the latest in the case of Mark Sievers, sentenced to death for murdering his doctor wife. He is trying to convince a judge to give him a new trial. A pre-trial hearing for the model and social media influencer who says she fatally stabbed her boyfriend in self-defense. Plus, you've heard of serial killer John Wayne Gacy — but what do you know about his victims? A new drama series from Peacock takes a closer look. Find out more about the cases covered each week here: www.datelinetruecrimeweekly.com Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.

Episode metadata supplied by the publisher feed · Published Oct 16, 2025

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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."

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Mark Sievers fights death sentence. Miami model accused of murder. Plus, John Wayne Gacy mini-series.

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