Listen to this week's episode of the Dateline: True Crime Weekly podcast with Andrea Canning. On the show, Sarah Boone is heading to trial in a Florida courtroom, accused of murdering her boyfriend with a suitcase. And the latest details in the prosecution's case against Naresh Bhatt, a Virginia...

Andrea Canning talks with Josh Mankiewicz about her episode “The Butterfly.” When 21-year-old art student Katelyn Markham suddenly vanished from her Ohio home in the summer of 2011, her friends and family knew something was terribly wrong. It would take more than a decade for her killer to be...