instant horror of where is she what had happened to baby savanna? the answer would come decades later and astonish the world. it happened so fast, couldn t fathom what was going on imagine, your mother fugitive. your father stranger. your home, your name your past was any of it real? the first thing i felt, jus a pit in my stomach. i jus felt like it was my fault. a mother s crime. a father pain what kinds of emotions di it stir up when you would se that crib? it would just make me cry a daughter forced to face the shattering truth i was shocked and i was jus terrified. hello and welcome t dateline a father left childless and daughter left questioning he very identity. it was a case that started as custody battle, but turned int an international mystery tha spanned two decades and took investigators nearly 10,00 miles around the world all driven by a determined dad searching for answers and hi daughter here s andrea canning with finding savanna. in
reporter: time marched on harris continued working as financial adviser at merrill lynch. he had a fe relationships, but he neve remarried. after ten years, th fbi assigned a new agent, ed klimas, to the case, but nothing new turned up. i believe that the chance of success for this case wer probably very slim at that point. that they had disappeared to a foreign country that we would never be able to locate them. reporter: about the onl thing that changed were th images on the missing person posters. from the baby harri had loved, to a computer simulated image of a teen he barely recognized. if i die before i wake from this nightmare - reporter: he d stoppe filming his messages to savann long ago, but he wrote one las poem and please do keep an eye out across the fields. watch the end of the long driveway someday my daughter will b there asking for me.