The government's defending the law governing returning terror suspects as tough enough, even though it gives law enforcement no power to detain someone at the border.
The likely arrival of 25-year Suhayra Aden raises questions about New Zealand's anti-terrorism laws and whether they'll provide the level of national security promised by the Prime Minister.
Aden and her two young children are being held in a Turkish deportation centre after illegally trying to cross the border from Syria
. Here's RNZ political reporter Jane Patterson.