What infamous character volunteered his time and money to the kidnapping of Lindbergh?

The infamous character who volunteered his time and money to the kidnapping of Charles Lindbergh's son was Bruno Richard Hauptmann. Hauptmann was later convicted of the crime, which shocked the nation and drew widespread media attention. His involvement in the kidnapping was marked by the use of ransom notes and a demand for money, leading to one of the most notorious criminal cases in American history.