Although the term "gangster" is used for any criminal from the 1920s or 30s that operated in a group, it refers to two different breeds. Mobsters belonged to organized crime rings. They generally ...

In the annals of organized crime, the gangsters and mobsters that operated ... was especially active during the 1920s, '30s, '40s, and '50s, and enjoyed near legendary status among law enforcement ...

While violent gangs and criminal outlaws are hardly an American invention, Prohibition in the 1920s did much to inspire the enduring images of gangsters as we know them now. Between 1931 and 1932 ...