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The four officials, according to Mr. Issa, are Eric Boswell, who was assistant secretary at the Bureau of Diplomatic Security; Scott Bultrowicz, former principal deputy assistant secretary in that bureau and director of the Diplomatic Security Service; Elizabeth Dibble, former principal deputy assistant secretary at the Bureau of Near Eastern Affairs; and her boss, Elizabeth Jones, the bureau’s acting assistant secretary.

Separately on Monday, Mr. Ventrell told reporters that the State Department was satisfied with the lead role taken by the FBI in conducting an international criminal investigation into the culprits behind the Benghazi attacks. The FBI has been largely unwilling to comment on the investigation, which has yet to apprehend any of major participants in the Sept. 11, 2012 attacks.

Attorney General Eric H. Holder Jr. dodged the issue when asked about progress at a congressional hearing May 15.

Guy Taylor contributed to this report.