acres. many families grieve while others simply host their loved ones will find their way home. >> you've got to be scared. i've been in different situations and that's the scariest. it comes in with the speed of water but has the mass of earth. it smothers. when the water leaves, when the fire leaves, you now have this new layer of completely smothering, destructive, deadly mud. it is really scary. they are overwhelmed. >> i can't believe this video captures people being pulled out from that mud that seems like lava. >> can they get everywhere. no, you can't travel in that stuff. it is is the worst of the worst. >> we have to move on to cnn "money" now. protecting the d.r.e.a.m.ers. christine romans has more. >> hi, alisyn and chris.