. >> you've driven all the way from south carolina to find out whether father thomas sullivan is your father. r orter: this is the forensic anthropologist who took dna samples the day after father's day. now two months later -- >> and i'm here to tell you that he is. >> i don't think i've ever hugged youbefore, but thank you. >> reporter: finally confirmation and relief. >> betrayed emotionally, but in a wayrelaxed. >> reporter: amid family rumors, he thought people wer an aunt and uncle. >> they said to me this man may be our father, but we don't know. tnl oh principles know, and they're all dead. reporter: that day in 1993 began the quest. he hasuestioned the church, gathered records, hired private dectives. the center? one question. was father thomas sullivan a priest, graduate of boston college, his father. >> and when she told you, you had such emotion. >> when it's validated, it hit home. >> reporter: graham doesn't want compensation or money from the church, only validation, recognition, a. confessi >> they tried to bury our history, a - i i wasn't going let that happen. >> rep