The jury weighs in at the trial of Kouri Richins, the Utah grief author and momofthree accused of murdering her husband. In Provo, Utah, prosecutors say greed is at the heart of their case against Meggan Sundwall, a nurse accused of injecting her friend with a fatal dose of insulin. In Dateline Round Up, the ex-lover of convicted killer and former MLB pitcher Dan Serafini learns her fate. And a potentially game-changing ruling in a 30-year-old murder case. Plus, AI is being used to write police reports and predict crimes. Does it work?

This episode discusses suicide. If you or someone you know is in crisis, call the Suicide & Crisis Lifeline at 988 or visit 988lifeline.org for more resources.

Find out more about the cases covered each week here: www.datelinetruecrimeweekly.com

Start listening to "Trace of Suspicion" here: https://www.nbcnews.com/traceofsuspicion

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Mom-of-three Kouri Richins stands trial in Utah for the alleged murder of her husband. Prosecutors call her ex-lover to testify and he weeps on the stand. In Florida, the man who confessed to gunning down Microsoft employee Jared Bridegan takes back his confession and guilty plea, potentially upending the case. In Dateline Round Up, a verdict in Dale Warner's trial for murdering his wife, plus new filings in the case of alleged Gilgo Beach serial killer Rex Heuermann. And Josh Mankiewicz gives a sneak peak of his new podcast, "Trace of Suspicion."

Find out more about the cases covered each week here: www.datelinetruecrimeweekly.com

Listen to "Trace of Suspicion" here: https://www.nbcnews.com/traceofsuspicion

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Hey Dateline fans! As a bonus, we’re giving you a special preview clip of our new podcast series, Trace of Suspicion.

After seemingly healthy 23-year-old Marine Todd Sommer dies unexpectedly, his widow Cindy’s lavish spending, cosmetic surgery, and wild partying raise investigators’ suspicions. They accuse her of poisoning him with arsenic for his life insurance, setting off a criminal case that takes a stunning turn... Josh Mankiewicz sits down with the woman at the center of it all in Dateline’s newest podcast.

If you like what you hear, just search Trace of Suspicion to listen to the first two episodes now, completely free. Or subscribe to Dateline Premium on Apple Podcasts, Spotify or DatelinePremium.com. Subscribers get early access to new episodes and can listen to all Dateline podcasts ad-free.

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In Utah, the murder trial of mom of three Kouri Richins enters its second week. Richins' former housekeeper testifies about buying drugs for Kouri before Eric Richins' death. She says Kouri asked for something "stronger". In South Carolina, Scott Spivey's shooting death comes under review by a judge. One of the men who shot Spivey testifies. In Dateline Round Up, the latest on the murder trials of Michigan farmer Dale Warner, and former Miami Hurricanes player, Rashaun Jones. Plus, a veteran police chief gives his tips on photo lineups.

Find out more about the cases covered each week here: www.datelinetruecrimeweekly.com

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Hey Dateline fans! As a bonus for you, we’re sharing the trailer for Trace of Suspicion, an all-new original podcast series from Dateline and Josh Mankiewicz.

After seemingly healthy 23-year-old Marine Todd Sommer dies unexpectedly, his widow Cindy’s lavish spending, cosmetic surgery, and wild partying raise investigators’ suspicions. They accuse her of poisoning him with arsenic for his life insurance, setting off a criminal case that takes a stunning turn... Josh Mankiewicz sits down with the woman at the center of it all in Dateline’s newest podcast.

Follow now to get the first two episodes on Tuesday, March 10 completely free. Or subscribe to Dateline Premium on Apple Podcasts, Spotify or DatelinePremium.com to hear the first two episodes now. Subscribers receive ad-free listening and early access to subsequent episodes.

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The highly anticipated trial of Utah mom-of-three Kouri Richins is finally underway. Prosecutors say she poisoned her husband with fentanyl. In Miami, jurors watch video testimony of an eyewitness who may have seen the killer of football player Bryan Pata. In Dateline Round Up, Nick Reiner enters a plea and a former American Idol contestant is arrested for murder. Plus, in light of her mother Nancy's disappearance, Savannah Guthrie calls for greater attention to missing persons cases. We share the story of Olivia Lone Bear, a young mother whose death is still unsolved.

Nancy Guthrie Tipline: 1-800-CALL-FBI (1-800-225-5324)

Unresolved: The Case of Olivia Lone Bear: https://www.nbcnews.com/dateline/video/unresolved-the-case-of-olivia-lone-bear-119617605728

Find out more about the cases covered each week here: www.datelinetruecrimeweekly.com

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In Michigan, prosecutors play bodycam at the trial of Dale Warner, a farmer on trial for allegedly murdering his wife and concealing her body in a fertilizer tank. In Miami, twenty years after Bryan Pata, the star defensive lineman on the University of Miami football team, was gunned down on the way home from practice, his teammate goes on trial for his murder. In Dateline Round Up, verdicts in the Paul Caneiro and Tara Baker trials. Plus, NBC News' Vicky Nguyen shares some tips on stadium safety.

Nancy Guthrie Tipline: 1-800-CALL-FBI (1-800-225-5324)

Nancy Guthrie images: https://www.fbi.gov/wanted/kidnap/nancy-guthrie

Find out more about the cases covered each week here: www.datelinetruecrimeweekly.com

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The latest on the search for Nancy Guthrie, the 84-year-old mother of Today Show co-anchor Savannah Guthrie. The FBI releases video of a masked man on Nancy's doorstep the night she went missing. In Georgia, a man is on trial for the 2001 murder of a law student. His defense attorney has tough questions for the victim's boyfriend. In Dateline Round Up, a courtroom outburst from Luigi Mangione, and Alex Murdaugh appeals his case. Plus, a lookback at the attack on Olympic figure skater Nancy Kerrigan.

Nancy Guthrie Tipline: 1-800-CALL-FBI (1-800-225-5324)
Nancy Guthrie images: https://www.fbi.gov/wanted/kidnap/nancy-guthrie

Find out more about the cases covered each week here: www.datelinetruecrimeweekly.com

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