There is something there;
Solid links found between Rafael Cruz’s employer and plot to kill JFK by Wayne Madsen Report
http://milfuegos.blogspot.com/2016/05/solid-links-found-between-rafael-cruzs.html?m=1
Does that blog have the primary source documents they refer to in their post? If so, it adds credibility to their story. If not, it subtracts credibility from their story.