Launching Oct. 25, 2017, "A Killing On the Cape" is the story of Christa Worthington's murder, the search for her killer, and whether the right man was convicted. ABC Radio's Mark Remillard joins the award-winning team at "20/20" to investigate the crime and why some people believe the real killer might still be free. Support this podcast with a review --------> http://bit.ly/2xj9fk8 "A Killing On the Cape" is a production of ABC Radio and ABC News "20/20." Subscribe to the weekly "20/20" podcast on Apple Podcasts (http://apple.co/2zKPW5c) or wherever you're listening right now. Find more ABC podcasts at http://www.abcnewspodcasts.com