On July 3, 2015, psychiatrist and local celebrity Dr. John Parker was found dead in his Mashpee, MA office. His death was ruled an apparent suicide, but his son-in-law, Dan Zappulla, doesn't buy it.  Dan thinks he was murdered, and he's out to prove it.  Join us on this journey through Cape Cod as we search for the ultimate truth behind The Death of Dr. John Parker.
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