In an essay that appeared in the 1978 book Uncloaking The CIA, entitled "Spies With and Without Daggers," Kirkpatrick Sale stated the following:
"Take the Kennedy assassination. The CIA top echelons may have had a number of reasons for...doing away with John Kennedy...It seems to me...that the overriding reason was survival--survival of the careers of the CIA men, of the agency as they felt it should be...It was being reorganized according to a Kennedy plan that was to abolish its so-called Research Division and limited its covert activities...
"The CIA was threatened by Kennedy's new dovish stance on Vietnam...Its Cuban operations...were also being curtailed by the president, who ordered the arrests of Cuban trainees at CIA-operated camps on at least four separate occasions in 1963. The agency had even been threatened outright by Kennedy, who had said not long before that fateful trip to Dallas that he was going `to splinter the CIA in a thousand pieces and scatter it to the winds.'
"Such was the danger to the agency in November 1963. By December 1963 everything had changed..."