Because he was possibly exposing the Australian wing of an Isr-eli operation that spans 9/11, the London 7/7 bombings, and the Montreal Metro Mossad.
http://ziofascism.net/blog/?p=1163 (http://ziofascism.net/blog/?p=1163)
It would be interesting if Australians could check the records to see who got the contract for their video system!