After World War II, American counterintelligence recruited former Gestapo officers, SS veterans and Nazi collaborators to an even greater extent than had been previously disclosed and helped many of them avoid prosecution or looked the other way when they escaped, according to thousands of newly declassified documents. With the Soviet Union muscling in on Eastern Europe, settling scores with Germans or German collaborators ... appeared counterproductive, said a government report published Friday by the National Archives. In chilling detail, the report also elaborates on the close working relationship between Nazi leaders and the grand mufti of Jerusalem, Haj Amin al-Husseini, who ... recruited Muslims for the SS, the Nazi Partys elite military command, [and] was allowed to flee after the war to Syria. The report, Hitlers Shadow: Nazi War Criminals, U.S. Intelligence and the Cold War, grew out of an interagency group created by Congress to identify, declassify and release federal records on Nazi war crimes and on Allied efforts to hold war criminals accountable. It is drawn from a sampling of 1,100 C.I.A. files and 1.2 million Army counterintelligence files that were not declassified until ... 2007. Hitlers Shadow adds a further dimension to a separate Justice Department history of American Nazi-hunting operations, which the government has refused to release ... and which concluded that American intelligence officials created a safe haven in the United States for certain other former Nazis.