Both Chicago mafia crime mobsters Johnny Roselli and Sam Giancana worked with the CIA in assassination attempts against Cuban revolutionary leader Fidel Castro and both men were found dead either shortly after or before speaking to investigative committees on CIA actions in collusion with organized crime to terminate Castro. As vice president under Eisenhower, Nixon originally created Operation 40 which was a hit squad to invade Cuba and assassinate Castro and speculation remains on who of this team of Cuban exiles trained by CIA officers might have been responsible for the death of JFK in retaliation for JFK's denial of air support to the Cuban rebels at the Bay of Pigs. Read about the dirty tricks of Nixon and why he wanted his Watergate burglars, many of which were members of Operation 40, to get a secret Cuban dossier out of the Democratic National Committee headquarters at the Washington, D.C. Watergate Office Building during the Watergate burglary. Read about what actual double agent soldiers of fortune mercenaries that served as parachute instructors for Fidel Castro's revolutionary government while providing American intelligence on Castro said about Nixon's plans to use his Special Investigations Unit of Watergate Burglar plumbers to sow violence at the 1972 Democratic National Convention DNC in Miami Florida in this informative report.