1.   Although preliminary investigations suggest that the two acted alone, Jefferson County District Attorney Dave Thomas said it is possible others may have helped construct the bombs.

2.   An Italian news agency reported that it contained items such as wire cutters, electrical tape and silicone, which could be useful in constructing a bomb.

3.   Ayyash, known as the Engineer, had been sought for three years for constructing bombs and planning suicide attacks that killed scores of Israelis.

4.   After obtaining the material, someone who understands explosives could construct a bomb, experts said.

5.   Dickenson County Sheriff Curt Bennett said agents were investigating whether the storage unit may have been where the suspects constructed the bomb.

6.   Each of the explosives stolen from the quarry could have been used to construct a bomb, prosecutors said.

7.   Federal investigators are also looking into whether Nichols may have purchased materials used to construct the bomb.

8.   He is charged with nine felony counts of possessing an explosive device, one count of arson and one count of possessing material to construct a bomb.

9.   In recent months some items have contained instructions on how to construct a bomb by using baby food jars and shotgun shells.

10.   In the camps run by Osama bin Laden, they were also taught how to construct such bombs.