Jack Slade was an FBI agent, previously working undercover during the Cuban Bay of Pigs operation in 1961. He and Cuban revolutionary Victor Vasquez worked closely in their plan to raid Fidel Castro's palace and chase him from power, but at a crucial moment Slade failed to bring in support for Vasquez's operation resulting in its failure and loss of life. Vasquez filed a complaint and tried to have Slade fired, but no action was taken. Slade then began working with La Segunda Brigada, a Cuban commando force led by Paco Zamora who continued the anti-Castro battles in the U.S. by attacking representatives of Castro's government who visit the country. Slade used his federal position to run interference on anyone who tried to stop them, even Metro-Dade Vice when one of their own is killed by Z