While in the United States early in 1942, David Ben-Gurion (and most of world Jewry) did not yet seem to realize the full extent of the Final Solution, partially due to its staged development into a full-fledged genocide. Ben-Gurion and the head of the embryonic Foreign Intelligence Service of the Hagana, Reuven Zaslani-Shiloah, used their visit in New York for the Biltmore Conference to meet with Arthur Goldberg, a labor lawyer in peacetime and the OSS Liaison Officer to foreign labor movements and social democratic parties. They suggested cooperation with the OSS in occupied Europe thanks to the Zionist network on the Continent that was mentioned earlier. Allen Dulles, the head of the OSS New York office, was interested in intelligence gathering, but nothing came out of that. Both Dulles and Goldberg were transferred abroad shortly after the meeting. Goldberg's main concern at the time was “to fight Fascism,” and later, following the American–British breakthrough from the Normandy beachhead, he perceived the war as being as good as won and returned to practicing law at home about a year before the war ended and with it the Final Solution.

Allen Dulles became the chief OSS agent in Europe and the recipient of rather early heartbreaking reports on death camps in Poland, which he does not seem to have forwarded to Washington.