From the story here:
NRC memos reviewed by The Hill show ... that it did approve the shipment of yellowcake uranium — the raw material used to make nuclear fuel and weapons — from the Russian-owned mines in the United States to Canada in 2012 through a third party. Later, the Obama administration approved some of that uranium going all the way to Europe, government documents show. ...
Rather than give Rosatom a direct export license — which would have raised red flags inside a Congress already suspicious of the deal — the NRC in 2012 authorized an amendment to an existing export license for a Paducah, Ky.,-based trucking firm called RSB Logistics Services Inc. to simply add Uranium One to the list of clients whose uranium it could move to Canada.
The license, reviewed by The Hill, is dated March 16, 2012, and it increased the amount of uranium ore concentrate that RSB Logistics could ship to the Cameco Corp. plant in Ontario from 7,500,000 kilograms to 12,000,000 kilograms and added Uranium One to the “other parties to Export.”
The move escaped notice in Congress. ...
The entire Uranium One episode is getting a fresh look after The Hill disclosed late last month that the FBI had gathered extensive evidence in 2009 — before the mine sale was approved — that Rosatom’s main executive in the United States was engaged in a racketeering scheme that included bribery, kickbacks, extortion and money laundering.