1.   An unidentified person was taken into custody in New York on a material witness warrant, a federal government official said.

2.   Al-Marri was arrested on a material witness warrant in December, then charged in January with illegal possession of credit cards.

3.   Federal prosecutors said they may soon seek a material witness warrant against Abdi, who was served Friday with a subpoena to appear before a federal grand jury.

4.   He was picked up on a material witness warrant and has not been charged with any crime.

5.   He would not say how many people have been arrested on material witness warrants.

6.   He was detained on a material witness warrant obtained by federal prosecutors in Manhattan.

7.   He was originally taken into custody by law enforcement authorities last month on a material witness warrant and was transferred on Sunday to military custody.

8.   In the early days of the investigation, the Justice Department acknowledged that two people had been arrested on material witness warrants.

9.   Material witness warrants are used to detain people believed to have crucial information about a case if prosecutors fear they might flee.

10.   Officials transported Al-Marabh to New York on a material witness warrant Sunday to face questions as part of the terrorist probe.