His 1978 trip to cuba and conveyed a very positive image of cuba, a very negative image of the united states. >> it was a glowing report about the cuban revolution, how the people are doing well. castro's a great leader. >> it essentially conveyed kendall's infatuation with cuba. >> kendall's diary was critical. the next piece of evidence was stunning. >> in a filing cabinet in their closet, there was a record that indicated gwen had a tumor on her shoulder in late 1996 that was a matrix point that we were looking for. we knew that one of the cuban agents had a tumor on their shoulder. i had h...