<human>:  How did the police solve the case of the Charles Lindbergh kidnapping?
<bot>: The police were able to solve the case by identifying the kidnapper as Bruno Richard Hauptmann. Hauptmann was a German immigrant who lived in New Jersey. He was a carpenter who worked for the New York Central Railroad. Hauptmann was a member of the German American Bund, a group that was anti-Semitic and pro-Nazi. Hauptmann was also a Nazi sympathizer and had a Nazi flag in his home.