On this date in 1936, a German immigrant went to New Jersey’s electric chair for kidnapping and murdering the infant son of famed aviator Charles Lindbergh. The kidnapping of the Lindbergh boy in 1932 had touched off an outpouring of public compassion matched only by the clumsiness of the investigation. The circus that formed around a father desperate to retrieve his boy — and prone to rash decision-making thereto — pulled in underworld figures, military intelligence officers (including the founder of the CIA’s forerunner and the father of Gulf War General Norman Schwartzkopf), a meddlesome schoolteacher, and queer characters like...