According to study by Rita T. Kronenbitter, Pilenas was spotter for Scotland Yard and was recruited by Pyotr Rachkovsky as an informant for Russian Okhrana to work among the Latvian terrorists.
John Higham, in his work, Strangers in the Land, says: The "Protocols" reached America in 1918 through Czarist army officers who had come to this country on a military mission, notably through Lieutenant Boris Brasol.
Brasol foisted upon the Military Intelligence Division of the United States Army an English translation of the "Protocols" and started typewritten copies circulating in other influential circles in Washington, D.C. A renegade associate, one Casimir Pilenas, tried to extort $50,000 for the manuscript from the American Jewish Committee (AJC).
[3] In 1933 Casimir Palmer, a resident of 11 West 108th Street in Manhattan at the time, appeared as witness in court during the hearings in the Russian Volunteer Fleet Corporation case.
[4] He allegedly worked as a "government intelligence agent" and by 1937 attempted to expose the link between Henry Ford and the Nazis.