without a trace until a remarkable 911 call from her rescuer's phone. the mildly autistic nadia was dehydrated, hung i can, barefooted and covered with insect bites. volunteer james king said he was calling on his faith when he found her. >> speaking scriptures and yelling nadia! and then i heard, what? and i said that way, right there. >> reporter: it was in one of the densest, muddiest parts of a swamp near nadia's central florida home. at first, the 911 operator couldn't believe it. working alone, cane was able to do what scores of trained officer, diver, and a specially