Grimwood, Jon Courtenay. "Chicago"
Divergence: 1933 CE
What if: Prohibition was never repealed.
Summary: A century or more later in a Chicago still controlled by the descendants of the 1920s gangsters, a man is put on trial for the murder of his own clone.
Published: In Sideways in Crime: An Alternate Mystery Anthology (ed. Lou Anders), q.v.