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Diver out there in the water, possibly two. i just saw another hook up its head. we're learning a little bit more about how they are conduting this search. we understand they are using a grid search. they are using metal detectors and this water is extremely murk key and requires special gear to see what is black water. there's not much visibility underneath. that's part of the reason why this search is going so slowly. now, investigators have said they have found a number of items but they won't specify what those items are and they cannot confirm that they are indeed part of this case. they ...

We're in the area where some bodies and debris have been found. you can see how challenging it is the fact that as soon as you see something in the distance it disappears behind a wave and then it's very difficult to try and spot it again. >> all right, so, david, webhen we look at the weather conditions like this. paula was explaining how bad it is. some people saying that say, it doesn't look as bad as it could. it's very very inclement weather on and off. storming not storming. how much is this hampering a search for someone who's done investigations like this before? >> it's really difficu...