Opening arguments in the trial of Sarah Hartsfield, the Texas woman accused of murdering her fifth husband. A mistrial in Mississippi for a man whose daughter and wife took plea deals. Updates in the cases of Donna Adelson, Nicholas Rossi, and Sean Combs. And spam texts and phone calls cost us more than one billion dollars every year — what you need to know.

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 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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In Texas, a woman accused of poisoning her fifth husband is gearing up for trial next week. A California hookah lounge owner was found guilty of murdering his girlfriend over a decade ago, but the conviction was overturned. Now, he's getting a new trial. Updates in the Karen Read and Rex Heuermann cases. Plus, the Dateline correspondents are hitting the stage live in Nashville this weekend, and we've got a preview.

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

To learn more about Dateline LIVE in Nashville on Sept. 28, and to get tickets, go here: https://www.nbcnews.com/dateline-event

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A New Jersey man accused of murdering his brother and his brother's entire family, then setting fire to both their homes to cover up his crimes, wants out of jail after seven years waiting for trial. In Florida, prosecutors release all-new evidence to the public as they build their case against a couple they say orchestrated a hit on Microsoft employee Jared Bridegan. Updates on Chad Daybell and his jailhouse letters, and the sentencing of Brooks Houck, the convicted killer of Kentucky mom Crystal Rogers. Plus, why sentencing a murderer is harder than you'd think.

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

To learn more about Dateline LIVE in Nashville on Sept. 28, and to get tickets, go here: https://www.nbcnews.com/dateline-event

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After just over three hours of deliberations, a Florida jury finds Donna Adelson guilty on all counts — but could more charges be coming in the case? In Utah, a woman is charged with killing her husband. Now, she's admitted to her role in the plot — and says her mother and brother were involved, too. Updates on the Burning Man murder and the Wisconsin kayaker who faked his own death. Plus, when should a defendant take the stand in their own defense?

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

To learn more about Dateline LIVE in Nashville on Sept. 28, and to get tickets, go here: https://www.nbcnews.com/dateline-event

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Inside the defense of Florida grandmother Donna Adelson. In Long Island, a judge's ruling on DNA ahead of alleged Gilgo Beach serial killer, Rex Heuermann's, murder trial. Plus, almost 21 years after her daughter was murdered, a mother hits the road to bring awareness to the unsolved case.

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Two of Donna Adelson's children testify this week for the prosecution. In Northern California, a missing woman's husband is indicted for her murder more than a year after she vanished -- and a year and a half after he was indicted on felony domestic violence charges for an alleged attack on her. Plus, a former prosecutor on DNA's uses and pitfalls.

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

To learn more about Dateline LIVE in Nashville on Sept. 28, and to get tickets, go here: https://www.nbcnews.com/dateline-event

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17 year old Sarah Grace Patrick is accused of gunning down her mother and stepfather in Georgia. The defense team of the man accused of killing UNC Chapel Hill student Faith Hedgepeth in 2012 has filed motions that raise new questions about crime scene evidence. Updates on Florida matriarch Donna Adelson's trial and former MLB pitcher Dan Serafini. Plus, an inside look at police interrogations and the tactics investigators use.

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

To learn more about Dateline LIVE in Nashville on Sept. 28, and to get tickets, go here:https://www.nbcnews.com/dateline-event

Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.