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dna samples to investigators as they start sifting through the site. others have, because some people have not given up hope. they're basically like we're going to hold out for a little while longer, not to say those who have given their dna have given up hope either. you can feel the gut punch for several as they have made announcements today. some of the folks we've been talking to nonstop. today is not a day they feel like talking any more about this. understandably, wolf, this has been a very difficult day. it's been very hot, but at the site they still remove more and more rubble while here families are just hoping and praying for something to change in the next few hours. maybe they'll hear some sort of good news. >> so many are praying. it's so, so painful to just observe these wonderful people and the hell they're going through right now. for the family members and the friend of the missing, the wait grows more agonizing by the hour. randi kaye is joining us not far