. >> we do have don cogan he's joining us "right this minute."s like a pretty sketchy business to be involved in. tell us about it. >> we don't go looking for any problems, we're just looking for beautiful gemstones, you know, it's just some of the locations we go into get pretty dangerous sometime, but if you want the best stones, you want to get them at the best price it's the only way to do it is to go directly to the source. but sometimes that means going to places that nobody has been before. >> tell us about maybe the sketchiest or the most terrifying moment that we're going to see on this show. >> for example, we were going into cambodia there was a land mine situation where we didn't know if we just walked through it, we were about to walk through it. you don't know what's going on and, you know, it's a pretty sketchy situation. >> so how do you and your team, say, get word that a guy's got a load of rubies or some other precious gem, how do you find that stuff out? >> we get call, we get tips, we hear it on the grapevine. thank goodness