A woman allegedly kills her fifth husband. A hookah bar owner on trial again. Plus, a Dateline LIVE preview

<p>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.</p><p> </p><p>Find out more about the cases covered each week here: <a href="http://www.datelinetruecrimeweekly.com/">www.datelinetruecrimeweekly.com</a></p><p> </p><p>To learn more about Dateline LIVE in Nashville on Sept. 28, and to get tickets, go here: <a href="https://www.nbcnews.com/dateline-event">https://www.nbcnews.com/dateline-event</a></p><br/> <p>Hosted by Simplecast, an AdsWizz company. See <a href="https://pcm.adswizz.com">pcm.adswizz.com</a> for information about our collection and use of personal data for advertising.</p>