in pennsylvania. more than 25 years after legal problems cause a mother to lose touch with her daughter, a chance encounter has brought them back together. olivia green walked into a family assistance office and noticed a familiar woman working security. reporter: olivia green walked into a family assistance office in north philadelphia not having any idea her life was about to change. it is a miracle because for years, i just cried and bawled all the time, praying. reporter: her daughter, whom she hasn t seen in 25 years, happens to work at the security office. i said, you know who i am, i said, christine, my daughter? i would have never thought to come to work and find my mom. reporter: besides reunits