The streets are still empty in Brussels as the city goes onto day three of a lockdown.
With ISIS and others shunning the global financial system, the job is a challenge.
Many are calling for an end to the free flow of people and goods in Europe.
Businesses are slowly but surely reopening.
How will the attacks in Paris affect tourism?
The organization has plenty of cash. How long that will last is a matter of debate.
Kai Ryssdal talks with Marketplace's Stephen Beard, who reports from Paris.
The group raises most of its funds from the territories it controls.
