"How are federal powers overriding state powers?
For all anyone knows, nsw police may have flagged him so they’re notified when he goes through immigration."
read what you just said -----
surely they had access to this man before he went through the airport - surely if he's being watched - they would know his whereabouts - it's not like he's an excaped con hiding in the bush is it?
there's something in this that he was detained and searched on Federal territory - something that needs to be noticed