He unclips the two fresh intercept slips from the card puncher and puts them on top of the stack of older slips. The brick of cards in his attache case, and the pile of slips in his hand, contain exactly the same information. They are the only copies in all the world. He flips through them to make sure that they contain all of the critical intercepts—such as the long message giving the location of Golgotha, and the one that mentions Goto Dengo’s initials. He puts the whole stack of slips on top of one of the ovens.