Question: Where did Karl Gerhartsreiter move to in his teens and is currently serving a prison sentence?
Sentence (from "Who Is Clark Rockefeller?"): The film is based on the life of Christian Gerhartsreiter, a German con artist who for years impersonated many people, at one point claiming to be part of the Rockefeller family going by the faux name "Clark Rockefeller", and kidnapping his daughter.
Relevant evidence: No