In 2003, Mr. Berger spent several days at the National Archives reviewing classified material as the Clinton administration’s designated liaison to the Sept. 11 commission. He later admitted that he took and destroyed several versions of a classified report prepared in 2000 on the so-called millennium terrorist plots, although the commission had copies of the same reports.
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The report said one witness at the archives saw Mr. Berger bending down and “fiddling with something white, which could have been paper, around his ankle.” But Mr. Berger denied he had ever stuffed documents in his socks, explaining the episode by saying that “his shoes frequently come untied and his socks frequently fall down.”