tonight two american parents have new hope. hope that's tied to a photograph of a little girl known as maria. now, authorities in greece suspect she was kidnaped. the mystery is this. who is maria and where are her real parents? the roma couple who were allegedly passing them off as their own daughter are in custody. but the case is playing into some old prejudices about roma stealing children. here's george harlow. >> reporter: it's a simple but vexing question. who exactly is this little girl? investigators found her when they were inspecting a camp of romas, historically called gypsies, where this couple lived with as many as 14 children the authorities immediately became suspicious because the little blond-haired, blue-eyed girl looked nothing like the man and woman claiming to be her parents. >> there was bad living