Youth gangs are danger to community: Hanrahan — May 7, 1969In the 1920s and 30s, Al Capone and other gangsters exercised a reign of terror over Chicago.State’s Attorney Edward V. Hanrahan said a similar reign of terror apparently has been revived by youth gangs but the citizenry doesn’t appear concerned.Hanrahan said at a news conference Tuesday there were 14 murders in Chicago during the weekend &mdash …