It is estimated by William Cooper and others that there's in excess of 70+ DUMBs...JUST IN THE U.S. ALONE. That number includes possible DUMBS underneath overseas U.S. Military installations and other overseas U.S. Federal Govt bldgs, too. Some are said to be as big as cities, some may house aliens, and some may be joint alien-human ventures. I would imagine that just like not all U.S. Intel are traitors, not all DUMBs are [theirs] either. But I would assume, also, that

This could very well be "our" guys taking them out, one by one.