In a letter sent on Monday to the former bureau official leading the review, three senators and a representative said they were concerned about whether it was truly independent and whether agents willing to recount experiences could be guaranteed confidentiality.
The Miami-Dade homicide bureau is leading an investigation into the collapse.
The Bureau's leading Enigma cryptanalyst Marian Rejewski commented that the cipher machine may be surmised to have been a commercial-model Enigma, since at that time the military model had not yet been devised.
A first plenum of the Central Committee also elects several departments, bureaus, central leading groups and other institutions to pursue its work during a term (a "term" being the period elapsing between national congresses, usually five years).
The agency's Baltimore-based field office is leading the bureau's part of the investigation.
Ms. Warren has been a front-runner to lead the new bureau, though a leading Democratic senator, Christopher J. Dodd of Connecticut, who is the chairman of the Banking Committee, has raised doubts about whether she could be confirmed.
Jim Margolin, a spokesman for the F.B.I.'s New York office, which is leading the bureau's investigation, said the agency had consulted with the three men and had done so in the past.
Mr. Ivie's group and the bureau are also leading an effort to develop standards for click advertisements and have formed a group to discuss the matter with about 40 important players in click advertising, including Google and Yahoo.
The Mideast Press Club hosted a candid, thorough retrospective of media coverage of the war in Lebanon led by leading bureau chiefs at the Jerusalem YMCA.
The Miami-Dade Police Department's homicide bureau is also leading its own investigation into the collapse, as is Munilla Construction Management, which was also involved in the project.
A reward of $50,000 has been posted by the bureau for information leading to the capture of the 33-year-old who graduated from a Catholic high school in Massachusetts and has a computer technology related college degree.
