A massive department which includes all the main agencies arrayed against terror funding and money laundering - customs, the secret service (which guards the president and watches out for crimes such as counterfeiting), FinCEN, the Office of Foreign Assets Control (which freezes bank accounts of suspected lawbreakers) and even the tax collectors, the Internal Revenue Service.
The anti-terror funding activities of each agency are brought together in Operation Green Quest, an over-arching group run by customs in the hope of avoiding the kind of turf wars which have got in the way of investigations in the past. It is too early to tell whether it has worked.
