21.   All documents pertaining to his status as a material witness are under seal.

22.   Both brothers are considered material witnesses to the deadliest bombing in U.S. history.

23.   But by evening, the men had not been to court and uncertainty surfaced over whether the two would be held even as material witnesses.

24.   But by evening, the men had not been to court and some uncertainty surfaced over whether the two would be held even as material witnesses.

25.   But the names of everyone charged will not be released, nor will material witnesses be identified.

26.   Clark said it was easier to seek extradition of an indicted suspect from another state or a foreign country than of someone wanted as a material witness.

27.   Cohen said the FBI had threatened to have his client jailed as a material witness if he did not submit to questioning.

28.   Eight months ago, Hamud took on three clients who had been detained as material witnesses in the terrorism investigations.

29.   Federal laws allow material witnesses to be jailed in order to insure they will appear before a court or a grand jury.

30.   Federal authorities said a suspect was arrested as a material witness, but no other information was immediately available.