11.   Phenol is a white crystalline compound, a corrosive poison sometimes used to make explosives.

12.   The affidavit quotes a Decker farmer, Daniel Stomber, as saying he saw James and Terry Nichols making small explosives at the farm.

13.   The brothers were charged Monday with conspiring to make explosives.

14.   The brothers were charged Tuesday in Michigan with conspiring to make explosives.

15.   The sale of survival and doomsday books is not unusual at gun shows and elsewhere, and the Internet is filled with advice on making explosives.

16.   The Unabom bomber has made his explosives from scratch, without store-bought elements that could be traced, and he has been careful not to leave traces like fingerprints.

17.   They did find five canisters of black powder, which could be used for making explosives.

18.   They say that under an alias, he rented an apartment in Manila last October, which he used for making explosives.

19.   Together, the stripes formed a code that showed where and when an explosive was made.

20.   Without providing details, one French official said investigators believed that the group that carried out the bombing learned how to make the explosives at camps in Afghanistan.