Special | 21m 35s
The day before his 18th birthday Bill Knuedson found out that the man he called "dad" was not his biological father. His father had been killed in action in WWII. Now, in his sixties, Bill visits his father's grave in Normandy France for the first time and uncovers the heroic story of his father's life.
Aired: 05/27/08Video has closed captioning.