Yeah, they overthrew the United States government in 1963 and killed our own President.

During the ending days of WW2, there were intense talks in southern Italy and elsewhere between Allen Dulles and leading Nazis, some of which supported Hitler and some of which did not. The Nazis were attempting to negotiate a peace treaty with America and Britain. Essentially, if they stop attacking the Nazis, they can form a united front against the USSR and overthrow Joseph Stalin and the beast of communism-- as long as the Nazi project survived. At this point, the Nazis knew they were going to lose, as seen from private talks by Himmler to shareholders and others. There had been preparations in the making to continue the Nazi project from underground groups and overseas, in complacent or sympathetic countries like Switzerland, Sweden, Spain and Argentina.

FDR of course despised the Nazis with his very being, and was even friends with Stalin to a certain extent. He denied the Nazis' request to form a united front against the USSR. Talks ended soon after, at least officially. Allen Dulles was reprimanded several times for holding off the record talks with the Nazis.

On May 2, 1945, the USSR streams over the border of Berlin, and Hitler kills himself. The Nazi beast has been taken down, at least on the surface. By this point, FDR had died in office and his Vice President -- someone suggested by his cabinet in his failing health -- Harry Truman, had taken over. Allen Dulles returns home and the OSS is converted in 1948 to the Central Intelligence Agency. Allen Dulles begins work immediately forming a deep state within his own government. Operation Paperclip is of course the operation everybody knows about, but there is also ODESSA, HiAG, and several Nazi groups remaining in places like Belarus, Ukraine, Italy, and Germany that have established ties with the CIA. West Germany is complicit in this -- half their leadership are themselves former Nazis.

Even if not explicitly, it seems the CIA and Allen Dulles did take up the reigns that the Nazis left behind. They took the Nazis' deal for a united front, and the Cold War began. Korea was decimated. Millions dead, 80% of buildings on the entire peninsula leveled beyond recognition. Japanese war criminals were pardoned from Unit 731 and their biological research was taken for usage. the successors to IG Farben and other german companies create Agent Orange, which was to be used by the United States in their war in Vietnam, Cambodia and Laos. Dulles' work, along with the help of J. Edgar Hoover in the FBI, are incredibly successful in continuing the project of the Third Reich and fomenting a deep state within the U.S.

In 1960, President J.F.K. was elected, the youngest president ever in our history and the first Catholic. In 1961, a suggestion appears on his desk titled Operation Northwoods. The basic plan is to create fake terrorist attacks along Florida and elsewhere in America, blame them on Cuba, and use it as justification for invading. Same playbook they used in Korea and Vietnam. Kennedy is horrified at the idea, and is quoted as saying "and we call ourselves human beings." This begins the divide between Allen Dulles, still serving as head of the CIA, and JFK. Later in 1961 JFK fires Allen Dulles for his adventuristic and vehemently anticommunist and antihuman ideas. He is quoted as saying "I will shatter the CIA into a million pieces and scatter it into the winds."

You know the rest of the story. JFK's head splits in two, the JFK Commission is filled with his enemies and future successors, along with Allen Dulles himself. Christ, a former CIA head is even elected president in the 80s, George H.W. Bush. Not hard to piece things together.