Looking at domestic money laundering threats, he said that, right now, the bulk of the proceeds are connected with fraud, drug trafficking, human trafficking, human smuggling, organized crime and corruption. The use of virtual currencies to launder these illicit proceeds has grown in the past five years, meaning that there has been a very significant increase in investigations linked to them. 

However, while his office has many operational interests in domestic matters, he said it is frequently challenged by U.S. incorporation rules, namely that in most cases the beneficial owner of an entity need not identify itself. 

"To change that, there needs to be congressional action and we're working closely with Congress to get beneficial ownership [identification] passed," he said. "This is a significant vulnerability that needs to be addressed."