"The best way I can describe the Four Corners neighbor­hood of Chicago is find a length of rebar, scratch a big cross into the concrete, set your feet solid in the quadrant you like best, lean back, and start shooting."
Officer Bobby Vargas is hard-edged but idealistic, a Chicago cop who stands at the epicenter of a subterranean plot that will have horrific ramifications for both himself and the entire city. Twenty-five years earlier, a gruesome...