On his way home, he runs into Bob, who confronts him about the suspicions he has had about "Luke", and then punches him when Peter makes a remark about how the war must have damaged him more than is readily apparent.
On his way home, he runs into Bob Leffert (Karl Bury), a one-handed veteran who knew the real Luke, did not like him, and is convinced that Peter is not Luke. Bob then punches him when Peter makes a remark about how the war must have damaged him more than is readily apparent.