Story : Owing its rise to power to the Prohibition Era and the public's desire for illicit substances, organized crime has since branched out into many other ventures, both legal and illegal. In this episode, the subject is the law enforcement network, and its efforts to control the racketeering activities of the Mafia. Archival news clips, photographs, and personal accounts illustrate some of the highlights of the fight by the F.B.I. and its allies against the corruption of organized crime. This episode deals intially with J Edgar Hoover, the development of the FBI and its fight against organised crime.