The RSHA (Reich Main Security Office) came into existence on 27/9/39 after being separate offices of the SD (security service) and SS (nazi paramilitaries) since the mid 1930's. AMT I & AMT II were formed officially on 1/10/39 but reorganised completely after March 1941, heads of department were regularly transferred to different departments and the Einsatz Squads of paramilitary murderers when new countries were invaded as all had perceived 'undesirables' to be eliminated.
AMT IV was probably the most infamous of all the Nazi security apparatus, 'the Gestapo' (GEheime STAats POlizei) The secret state police, who were the instigators of all interrogation, imprisonment, murder and genocide in the nazi regime.
SS Major Eichmann
Otto Adolf Eichmann 19 March 1906 – 1 June 1962 death by execution after a televised trial in Israel. Often referred to as 'the architect of the holocaust'. After the outbreak of World War II in September 1939, Eichmann and his staff arranged for Jews to be concentrated into ghettos in major cities with the expectation they would be transported farther east or overseas. Eichmann drew up plans for a Jewish reservation, first at Nisko in south-east Poland and later in Madagascar, but neither of these plans was ever carried out.
As the Nazis began the invasion of the Soviet Union in 1941, their Jewish policy changed from emigration to extermination. Eichmann and his staff became responsible for Jewish deportations to extermination camps, where the victims were gassed. After Germany invaded Hungary in March 1944, Eichmann oversaw the deportation and extermination of that country's Jewish population. Most of the victims were sent to Auschwitz concentration camp, where 75 to 90 per cent were killed on arrival. By the time the transports were stopped in July, 437,000 of Hungary's 725,000 Jews had been killed. It is estimated that between 5 1?2 and 6 million Jews were exterminated by the Nazis.
After Germany's defeat in 1945, Eichmann fled to Austria. He lived there until 1950, when he moved to Argentina using false papers. Information collected by the Mossad, Israel's intelligence agency, confirmed Eichmann's location in 1960. A team of Mossad and Shin Bet agents captured Eichmann and brought him to Israel to stand trial on 15 criminal charges, including war crimes, crimes against humanity and crimes against the Jewish people. Found guilty on many of these charges, he was sentenced to death by hanging and executed on 31 May 1962. The department was re designated IVA4b later in the war.