The man was an Islamic activists....and by his actions prior in Australia he should have at the least been deported ....you play nice they will surely get someone in the end...this was preventable IMO. Sadly there will be more similar to it as the Muslims are watching eevery episode to fine tune what they plan.
I agree but none of this is a surprise anymore. We got the template of all this after 9 11 and almost every other attack since.