 Alfred Seidl, the attorney for defendant Hans Frank, was able to place into evidence an affidavit that described them.It was written from memory by Nazi Foreign Office lawyer , who wrote the text and was present at its signing in Moscow.Later, Seidl obtained the German-language text of the secret protocols from an anonymous Allied source and attempted to place them into evidence while he was questioning witness Ernst von Weizsäcker, a former Foreign Office State Secretary.