What infamous character volunteered his time and money to help Charles Lindbergh to get his child back?

The infamous character who volunteered his time and money to help Charles Lindbergh in the search for his kidnapped son was Al Capone. Despite his criminal background, Capone expressed sympathy for the Lindbergh family and offered assistance during the highly publicized case in 1932. His involvement highlighted the stark contrast between his notorious reputation and his actions in this particular situation.