It was the delinquent youngsters of 1917 and 1918 who graduated into the seasoned criminals of the post war era. It was them who made the roaring twenties roar. They roared with the explosions of pistols, machine guns and pineapple bombs. This is how it happened then. This is how one delinquent youngster of 1917 became a post graduate of crime in the roaring twenties.