21.   He also was the chief of the laboratory of clinical investigation at the National Institute of Allergy and Infectious Diseases.

22.   He said a more thorough background check was conducted on Callaway, because of the investigation at Alabama.

23.   He made the letter public, which touched off a series of investigations at the CIA and other U.S. intelligence agencies.

24.   He said the FBI would provide further details on its investigation at a news conference on Tuesday in San Francisco.

25.   He stressed that Canada is assisting the larger American investigation at the request of the US Coast Guard.

26.   Hiebert said he was shifting his excavation strategy to widen the investigation at the depth where the seal was found.

27.   However, it seems doubtful whether Sonia can influence the Bofors investigation at this stage.

28.   Hundt was to seek a vote authorizing the investigation at a meeting of the commission scheduled for Thursday.

29.   In addition, the FBI has established its own center for computer crime investigation at the federal level.

30.   Investigations at the time by the U.S. Environmental Protection Agency were inconclusive about whether pesticides drifted onto homes.