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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Blayne Alexander sits down with Keith Morrison to discuss his original series, “Murder & Magnolias.” In 2017, a bitter divorce between prominent Charleston, South Carolina, couple Chris and Nancy Latham spiraled into a murder-for-hire investigation that stunned the community. Blayne and Keith break down the key moments in the case, including the unlikely person who helped authorities crack it, and the “hit packet” that brought the plot into focus. Plus, Dateline producer Carol Gable joins the conversation to discuss where Nancy Latham is today and what it took to report the story. Keith also talks about what -- if any -- his aspirations were before getting into journalism, and the team reflects on some of their most dangerous moments in the field. Plus, they answer viewer and listener questions.

Have a question for Talking Dateline? DM us @DatelineNBC or leave a voicemail at (212) 413-5252. Your question could be featured in an upcoming episode.

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Listen on Spotify: https://open.spotify.com/show/4VpCDcpZxWVTEuJrZCKMoj

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A hit man arrives in Charleston, South Carolina with a member of a wealthy and well-known family in his crosshairs. This episode was originally published on November 15, 2022.

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A manila envelope filled with maps and photos helps investigators start to unravel a deadly plot. This episode was originally published on November 15, 2022.

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The investigation into a murder plot leads to a femme fatale with a past. This episode was originally published on November 22, 2022.

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Lovers on the line in jailhouse phone calls reveal new clues. Then, a big arrest. This episode was originally published on November 29, 2022.

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A hit man makes a choice, and the trial gets underway. This episode was originally published on December 6, 2022.

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The jury renders its verdicts. Afterwards, a remarkable moment of forgiveness takes place. This episode was originally published on December 13, 2022, and updated on February 23, 2026.

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