correctly. he had a mustache. and i remember before he arrested me, that it was -- it looked really greasy. i remember thinking that it was really -- he was using some funky kind of wax on that thing or something like that. it was probably a fake mustache. >> reporter: but the descriptions from rick and the other guard didn't satisfy the fbi. even rick admits the sketch they produced didn't really look like either of the two men. >> i remember at the time thinking there's no way they're going to catch these people from this. >> fortunateunfortunately, that the frustrating aspects of this case. descriptions that were given were very vague, very generic. >> reporter: jeff kelly from the fbi's boston office is the lead agent on this case. without a good description and virtually no other public information about the thieves' identity, the investigators begin to focus their attention on the museum employees. >> these guys had a very -- they had a level of comfort in that museum that really points to the