office by hand. then there was another clue. this is where the story gets a little bit crazy. most color printers, maybe even all of them, i don't know, they apparently leave behind when they print -- right, when they print out a piece of paper from a computer, right? when they print, they leave behind a finger print on every sheet that they print out. you know how in old school detective stories they do the forensics of typewriters. there is a version of that for computer printers, too. and that may have come acalling when the intercept showed the nsa this document they had obtained through a source, because they wanted the nsa to validate it. to comment on whether or not this document they had received was real. in that document, which we have access to, because they published it online, when they published their story, in that document, along the plainly