little girl. it was a face shot, and i says, she's cute. who is that? and he said, this is my girlfriend's child. and i said, dad, that girl looks like emily. emily is my younger sister. and he said, no, that's not my child. this is my girlfriend's child by somebody else. >> reporter: cnn has since learned the results of ariel castro's dna test, and he is the father of amanda berry's 6-year-old daughter who was born in captivity. as we continue to follow a number of stories, let's head back to atlanta and victor blackwell. i want you to imagine this, a woman trapped in cement and steel and darkness for more than two weeks. she had nothing to eat, just a few biscuits and water. find out how this young woman managed to survive a real life nightmare.