http://smh.com.au/news/national/purchase-of-chemicals-key-to-raids/2005/11/08/1131407637654.html
Tom Allard
"Covert surveillance by spies and police came across information that suggested the young, radical Muslims they had under their watch might be preparing to go the next disturbing level. The intelligence is said to have suggested the men were seeking to obtain a large batch of chemicals which, mixed together, could make a powerful explosives device. This intelligence on the chemicals. That was the turning point, when the threat became real.""
