Property and assets of international organizations, wherever located and by whomsoever held, shall be immune from search, unless such immunity be expressly waived, and from confiscation. The archives of international organizations shall be inviolable.
There are employees of the Department of Justice tasked to Interpol. This means that domestic law enforcement officials can gather information on Americans, and that information cannot be accessed through disclosure rules or through Freedom of Information requests. This is truly Kafkaesque.
For a more detailed and complete explanation read ThreatsWatch.org.