{{cquote|Usually … when a witness gives false testimony and then later comes forward and provides a truthful account, no perjury charge is brought. To charge perjury … in such a case would be a disincentive for a witness to provide a subsequent truthful account…. [A] perjury count is rarely brought if a witness corrects false testimony in a timely fashion…. Chambers corrected his false sworn testimony within two months of his grand jury testimony ... and his false testimony had not produced any miscarriage of justice.<ref>John Earl Haynes and Harvey Klehr, ''Early Cold War Spies: The Espionage Trials that Shaped American Politics'' (Cambridge, England: Cambridge University Press, 2006) ISBN 0521857384), p. 108</ref>}}
{{cquote|Usually … when a witness gives false testimony and then later comes forward and provides a truthful account, no perjury charge is brought. To charge perjury … in such a case would be a disincentive for a witness to provide a subsequent truthful account…. [A] perjury count is rarely brought if a witness corrects false testimony in a timely fashion…. Chambers corrected his false sworn testimony within two months of his grand jury testimony ... and his false testimony had not produced any miscarriage of justice.<ref>John Earl Haynes and Harvey Klehr, ''Early Cold War Spies: The Espionage Trials that Shaped American Politics'' (Cambridge, England: Cambridge University Press, 2006) ISBN 0521857384), p. 108</ref>}}
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On December 2, in response to a subpoena, Chambers led HUAC investigators on his Maryland farm to a pumpkin he had hollowed out the night before and in which he had secreted five rolls (two developed strips and three undeveloped rolls) of 35 milimeter film.<ref>“[ http://www.time.com/time/magazine/article/0,9171,917670,00.html The Pumpkin Papers], ''Time'', August 11, 1975</ref> The film included fifty-eight frames, mostly photos of State and Navy Department documents, dated January 5 through April 1, 1938 (the so-called [[Pumpkin Papers]]). The State Department documents dealt with a wide variety of subjects, including U. S. intentions with respect to the Soviet Union, the Spanish Civil War, and Germany's takeover of Austria.<ref>Doulglas O. Linder, “[http://www.law.umkc.edu/faculty/projects/ftrials/hiss/pumpkinp.html The Pumpkin Papers: Key Evidence in the Alger Hiss Trials],” Famous Trials: The Alger Hiss Trials, 1949-50 (University of Missouri-Kansas City School of Law)</ref> Some of the documents on the film were of a highly sensitive, classified nature.<ref>Denise Noe, “[http://www.trutv.com/library/crime/terrorists_spies/spies/hiss/7.html The Pumpkin Papers],” The Alger Hiss Case, TruTV Crime Library</ref>
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On December 2, in response to a subpoena, Chambers led HUAC investigators on his Maryland farm to a pumpkin he had hollowed out the night before and in which he had secreted five rolls (two developed strips and three undeveloped rolls, on of which later proved to have been lightstruck)<ref>[http://www.law.umkc.edu/faculty/projects/ftrials/hiss/hissappellate.html ''United States v Alger Hiss'', 185 F. 2d 822] (Second Circuit Court of Appeals, December 7, 1950)</ref> of 35 milimeter film.<ref>“[ http://www.time.com/time/magazine/article/0,9171,917670,00.html The Pumpkin Papers], ''Time'', August 11, 1975</ref> The film included fifty-eight frames, mostly photos of State and Navy Department documents, dated January 5 through April 1, 1938 (the so-called [[Pumpkin Papers]]). The State Department documents dealt with a wide variety of subjects, including U. S. intentions with respect to the Soviet Union, the Spanish Civil War, and Germany's takeover of Austria.<ref>Doulglas O. Linder, “[http://www.law.umkc.edu/faculty/projects/ftrials/hiss/pumpkinp.html The Pumpkin Papers: Key Evidence in the Alger Hiss Trials],” Famous Trials: The Alger Hiss Trials, 1949-50 (University of Missouri-Kansas City School of Law)</ref> Some of the documents on the film were of a highly sensitive, classified nature,<ref>Denise Noe, “[http://www.trutv.com/library/crime/terrorists_spies/spies/hiss/7.html The Pumpkin Papers],” The Alger Hiss Case, TruTV Crime Library</ref> some so much so that for security reasons they could not safely be made public, even a decade after having been written.<ref>[http://www.law.umkc.edu/faculty/projects/ftrials/hiss/hissappellate.html ''United States v Alger Hiss'', 185 F. 2d 822] (Second Circuit Court of Appeals, December 7, 1950)</ref>
The same day, on an FBI memorandum detailing the investigation of Chambers for perjury ordered by Truman Justice, Hoover penned, "I can't understand why such effort is being made to indict Chambers to the exclusion of Hiss."<ref>FBI memorandum: Fletcher to Ladd, December 2, 1948 (FBI file: Hiss-Chambers, Vol. 2)</ref> As late as December 6, Truman Justice was still contemplating "bringing an indictment against Chambers for perjury."<ref>FBI memorandum: Fletcher to Ladd, December 6, 1948 (FBI file: Hiss-Chambers, Vol. 2)</ref>
The same day, on an FBI memorandum detailing the investigation of Chambers for perjury ordered by Truman Justice, Hoover penned, "I can't understand why such effort is being made to indict Chambers to the exclusion of Hiss."<ref>FBI memorandum: Fletcher to Ladd, December 2, 1948 (FBI file: Hiss-Chambers, Vol. 2)</ref> As late as December 6, Truman Justice was still contemplating "bringing an indictment against Chambers for perjury."<ref>FBI memorandum: Fletcher to Ladd, December 6, 1948 (FBI file: Hiss-Chambers, Vol. 2)</ref>