The Tommy Gun Blues, 1

What do you get when an elder Sicilian vampire has a small group of mobsters turned during the 1920's, and send them to Chicago to kill a rival, only to use them later as a scapegoat when the plan is discovered, so the mobsters are captured by the Prince of Chicago, but one escapes and witnesses all his friends buried alive in concrete as a vengeful punishment, so he leaves the city and goes into hiding, only to return nearly a century later when he is powerful enough, so he can dig out his friends and try to take over the city he was once exiled from?