." >> reporter: for christie hughes, this dna test could hold the answers to a lifetime of questions. >> i just feel like a part of me is missing. i would like to know if the horoscope i'm reading is the right one. my actual birth date. am i really a year older than i feel i am? >> reporter: christie and her seven friends, brought together by a terrible secret, were known as the hicks babies. newborns illegally sold into adoption by a now-notorious doctor. their life stories a mystery that began in mckaysville, georgia, a small town nestled in the foot of the blue ridge mountains. >> there was a doctor in georgia that was selling babies. >> what was the price? $1,000. >> reporter: $800 to $1,000 per baby. 200 babies in all. illegally sold by dr. hicks between 1950 and 1965. melinda dawson was one of them. >> my mom was told that she could not have children and she wanted a baby, so my father and her purchased me from the doctor. >> reporter: he routinely forged birth certificates, making it impossible for christie and all the hicks babies to ever find their birth parents. >> we've jus