"The Great Depression was a time of incomparable financial desperation in America. Thugs with submachine guns and square-jawed G-men have long dominated the vernacular images of fear, lawlessness, and corruption set against the decimating poverty of that decade. But little known-until now-are the many serial dramas that played out in homes and hideouts, courtrooms and cold cases across the country. In a time of panic, legal lethargy, corruption, and...