A hidden world, growing beyond control

A major 2 year investigation of the 'security world' created after 9/11 in the U.S. by the Washington Post

The top-secret world the government created in response to the terrorist attacks of Sept. 11, 2001, has become so large, so unwieldy and so secretive that no one knows how much money it costs, how many people it employs, how many programs exist within it or exactly how many agencies do the same work.
A hidden world, growing beyond control | washingtonpost.com