it was wonderful. >> reporter: their daughter, kamiyah mobley was just eight hours old when a woman posing as a nurse snuck her out of a hospital. >> i want to know where my baby is at. i want my baby back. >> reporter: police launched an all-out search for the infant. it even featured on "america's most wanted". a tip led authorities to gloria williams. she was charged in the kidnapping after dna testing proved kamiyah's identity. >> this is not a hearing of guilt of innocence. >> reporter: in williams' court appearance, kamiyah shows support for williams using the name she gave her. >> i'm alexis. >> reporter: the 18-year-old breaks down, consoled by loved ones. and then walks over to the only mother she has ever known and says, i love you. >> i love you. >> reporter: those closest to alexis say she is strong, but needs some time. >> she is processing everything. and she is going to probably have to take this day by day. >> reporter: tonight williams is behind bars. here in south carolina, authorities plan on extraditing her back to florida, but that could take up to 20 days. cecilia. >>

mobley, and she's learning this evening that she was the missing baby on billboards and in police reports in 1998. last seen in baby diapers, wrapped in a pink and blue blanket and only eight hours old. >> i just want to know where my baby is at, i just want my baby back. >> reporter: the case made headlines. she was snatched from a florida hospital, taken from the arms of her mother by a mysterious woman who pretended to be a nurse to her family. florida investigators finally found her after a tip over the holidays sent them to walterboro, south carolina. >> a further investigation found that fraudulent documents had been used to establish the young woman's identity. >> reporter: late this evening, 51-year-old gloria williams had her first court appearance, and will soon be headed back to florida to face charges. police say she had pretended all these years that she was the young woman's mother. it was still an emotional good-bye. tonight, her real mother and father are on their way to south carolina. >> been 18 years, i can't wait no longer. >> reporter: police say the young woman suspe