Embittered Bacardi helmsman, Jose Pepin Bosch is said to have bought a surplus Douglas B-26 bomber in hopes of bombing Cuban oil refineries, and had allegedly was involved in a CIA plot to assassinate Fidel Castro, his brother Raul, and Che Guevara. This was reveled during the congressional investigations into John F. Kennedy's death.
This whole story is really covered well in a book by Tom Gjelten titled "Bacardi and The Long Fight for Cuba. You can find a great review of the book at this blog by Greg Weeks. http://weeksnotice.blogspot.com/2011/06/tom-gjeltens-bacardi-and-long-fight-for.html
You can read the rest of the story on his blog.