Andrea Canning sits down with Keith Morrison to discuss his original podcast series, "The Girl in the Blue Mustang." After 18-year-old Michelle O'Keefe was found murdered in a California park-and-ride in 2000. In 2009 --  after two juries deadlocked -- security guard Raymond Lee Jennings was convicted of her murder at a third trial. But everything changed in 2015 when a Dateline viewer saw the story and vowed to prove Jennings's innocence. The conviction was overturned by a judge and Jennings was released after more than a decade in prison. Keith tells Andrea what it was like covering this story for decades, both in and out of the courtroom. Later, they talk about other stories they’ve done involving multiple trials. Plus, Keith shares two exclusive clips: one from his interview with that curious Dateline watcher, Clint Ehrlich, and another with the man Clint helped get exonerated.

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