The National Party's calling for a law change so New Zealanders are better protected from terror suspects returning from overseas.
The likely arrival of 25-year Suhayra Aden - who is currently in detention in Turkey - has raised questions about this country's anti-terrorism laws and whether they'll provide the level of national security promised by the Prime Minister.
The 2019 law creates Control Orders, which can impose a range of restrictions and obligations; but the person can't be detained on arrival.
National MP Simon Bridges told political editor Jane Patterson it's not enough.