when we compared her dna to lavender doe's dna, we could see that it looked like lavender doe's parent, they felt close. all they had to do was find the right cousin, the right cousin who might be missing a daughter, a niece, or someone. not so easy. as we started looking and researching every person in this family, we found that there were 27 first cousins-- whoa. --who could have possibly been lavender doe's parent. you think, wow, here's our big break. now all we need to do is find the cousin. and it turns out there are 27 of them? 27. some of the people in the family had had several marriages and several children from each marriage. and so we started with that list. and we had to go through and see if we could find each of these people. where are they? who were their children? are they alive? what can we find? keith morrison (voiceover): one by one, they pulled on their threads, hundreds of them leading nowhere. and then it was kevin who found it. the texas woman had a distant cousin who lived out of state, a woman she didn't know, had never met, whose name was robin. and robin had