Human rights violations by the CIA Patrice Lumumba. In yet another category was noninterference in the Republic of Vietnam (South Vietnam) coup in which President Ngo Dinh Diem was killed. A distinction has been drawn between political assassinations and "targeted killing" of leaders of non-state belligerents. Perhaps the best-documented account of CIA-sponsored assassination plans were against President Fidel Castro of Cuba. According to columnist Jack Anderson, the first attempt was part of the Bay of Pigs Invasion operation, but five more teams were sent, the last apprehended on a rooftop within rifle range of Castro, at the end of February or beginning of March 1963. Anderson
CIA activities in Vietnam had difficulties understanding their politics. This can be attributed to the fact that the CIA did not make a concerted effort to gain a better understanding of the history and people of Vietnam. The CIA instead focused on the military forces occupying the territory instead of the political and economic forces that motivated them. The diplomats were not getting clear information in 1954 and early 1955, but the CIA station "had ... no mandate or mission to perform systematic intelligence and espionage in friendly countries, and so lacks the resources to gather and evaluate the large amounts of information required