It was a crazy time uh after the Soviet Union fell apart and we knew that Iran was pursuing uh nuclear material throughout the region. >> In 1994, after the fall of the Soviet Union, Andrew Weber was a young foreign service officer in the newly minted country of Kazakhstan, which held the fourth largest nuclear arsenal in the world. left behind by the Soviets.Part of it was sitting inside a factory. >> We knew about the factory. We knew it had a purpose in the in the nuclear power sector.What we didn't know ...