Countries that have four weapons worth of bomb material probably aren't willing to give up any.

If a terrorist somehow slipped onto your flight, he wouldn't have bomb materials with him, or much of anything else for that matter.

I tried to follow up and trace it, but nobody has a database on fake bomb materials.

In any case, uranium is not particularly good as a bomb material.

In addition, X-ray machines used to scan luggage are not designed to find many types of bomb materials.

They began tracking where the bomb materials were purchased.

At least three people other than Shahzad were involved in buying the bomb materials, sources said.

Police confirm chemicals purchased by Amrozi were not the main bomb materials.

They contain wastes from the production of bomb material and fuel for nuclear submarines.

This complex, she implied, is the most likely source of the intercepted bomb materials.