Bombshell witness at American Idol murder trial. Lindsay Clancy back in court. Plus, Cornell lawsuit.

In Ohio, former American Idol contestant Caleb Flynn is accused of murdering his wife and staging the scene to look like a break-in. His 24-year-old former lover took the stand against him before the jury delivered its verdict. In Delphi, Indiana, Richard Allen was convicted of the 2017 murders of teens Abigail Williams and Liberty German. His defense is now asking for a new trial. In Dateline Round Up, updates in the case of Lindsay Clancy, the Massachusetts mother whose trial for killing her three children ended in a hung jury.Questions hang over Cornell University as prosecutors re-open their investigation into a student’s allegations of sexual assault. Plus, a veteran K9 handler breaks down how police dogs help investigate crimes. Listen to the latest episodes of the Dateline podcast, "Before & After with Lester Holt": https://podcasts.apple.com/us/podcast/before-after-with-lester-holt/id6806378137Find 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.