fp:

The Islamic Republic has for decades relied on the global black market to build its nuclear program. Can negotiators now design a plan for policing it?

For 30 years, Iran scoured the international black market for raw materials for an atomic program built almost entirely with foreign supplies. International sanctions have made it more difficult over the last decade for Tehran to acquire nuclear components. But they have also had an unintended consequence: Iran now has one of the world’s most sophisticated systems for smuggling nuclear technology.

Go to link