1.   And an Algerian man was arrested with bomb ingredients at the Canadian border.

2.   A month later he made two purchases of diesel fuel, another bomb ingredient, federal officials say.

3.   Also, unlike explosives such a dynamite, commerce in ammonium nitrate and fuel oil is unregulated, making it easy to conceal purchase of either bomb ingredient.

4.   In most other circumstances, using plutonium for power is a bad idea, because it usually requires converting relatively benign forms of plutonium into potential bomb ingredients.

5.   Russia has no way of knowing for sure if any of its vast supply of bomb ingredients is missing, many of its own nuclear officials and scientists admit.

6.   The imminence of the papal visit explains why Philippine police were so concerned about finding bomb ingredients in the apartment.

7.   The result has been to help Russia, as well as other former Soviet Republics, to make steady, if slow, progress toward protecting nuclear bomb ingredients.

8.   Nearly a year after the bombs, a cache of arms and bomb ingredients was found in a safe deposit in west London.

9.   Prosecutors allege that Nichols worked with McVeigh to steal and purchase the bomb ingredients and pack the bomb inside a Ryder truck on the day before the blast.

10.   The group says some facilities have insufficient security against would-be thieves looking for bomb ingredients.