that was his ex-wife, dorothy lee barnett. and there on the opposite side stood a tall girl, nearly a woman. would that be savanna on the left? hi, harris, the couple wrote. that beautiful girl on the left is indeed your daughter, savannah. were you just floored? >> completely floored. you know, how wonderful is it to have a picture of your grown daughter, to just see, you know, how pretty she is and she had a big smile, and i could recognize >> reporter: i would just be staring at that photo constantly. >> i was at a loss for a while. i had to refrain from looking at it very much, because it was just too much after all these years. >> reporter: the couple told harris they had met his ex-wife and daughter in 1999. they knew them as alex and samantha. lee was married to a south african named juan geldenhuys with whom she had a son. although lee never spoke about her past, the couple had long suspected that savanna was not juan's biological daughter. what did the couple tell you about how they had discovered this secret? >> you

that was his ex-wife, dorothy lee barnett. and there on the opposite side stood a tall girl, nearly a woman. would that be savanna on the left? hi, harris, the couple wrote. that beautiful girl on the left is indeed your daughter, savannah. were yououust floored? >> completely flooood. you know, how wonderful is it to have a picture of your grown daughter, to just see, you know, big smile, and i could recognize my smile in her smile. >> reporter: i would just be staring at that photo constantly. >> i was at a loss for a while. i had to refrain from looking at it very much, because it was just too much after all these years. >> reporter: the couple told harris they had met his ex-wife and daughter in 1999. they knew them as alex and samantha. lee was married to a south african named juan geldenhuys with whom she had a son. although lee never spoke about her past, the couple had long suspected that savanna was not juan's biological daughter. what did the couple tell you about how they had discovered this secret? >> you know, i t