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a neighboring town, jose "chewy" ruiz. >> actually showed us a diagram of the bomb and that's pretty much what we are instructed to look for. >> reporter: anything related to that. >> yes. exactly. anything related to bomb making. >> reporter: they arrived en masse right after daybreak. unannounced, of course. paul waited outside while each investigator took a piece of the house. and in they went. >> i found some manila envelopes, copier, and also a printer. >> reporter: the problem though was that paul's home, owned by the moore family, doubled as the farm office. there were printers and copiers, envelopes, expected to be there, too. as you went around and found those things, what were you thinking? >> we really want that one really, really good piece of physical evidence. >> reporter: what you found so far wasn't it. >> no. >> reporter: okay. so specifically, what did you find of probative value? >> i didn't find anything. we took his cell phones. there were two cell phones in the car.