Details of hearing held in 1951 across the U.S. concerning gambling, bootlegging, numbers etc.
https://www.google.com/search?client=firefox-b-1-d&sa=X&tbm=bks&q=editions:1xFVuL9UNq0C&ved=2ahUKEwjXooK_xLrlAhUGRK0KHcfmCNcQmBYwAHoECAQQBg&biw=1280&bih=636&dpr=1
