
A senator has questioned if federal police are "just a post box for US authorities" as America attempts to stop the wife of detained ex-military pilot Daniel Duggan selling property to fund his legal bills.
Duggan, a 55-year-old former United States military pilot and Australian citizen, has spent the past year battling extradition to the US on accusations of unlawfully training Chinese pilots in the early 2010s, which he denies.