mustache. and i remember before he arrested me, it looked really greasy. i was thinking he was using some funky kind of wax or something on that. it was probably a fake mustache. >> but the description from rick and the other guard didn't satisfy the f.b.i. 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. unfortunately, that's one of the frustrating aspects of this case is the descriptions that are given were very vague. very generic. >> jeff kelly from the f.b.i.'s boston office is the lead agent in this case. without a good description and virtually no other public information about the thooef's 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