487 F.3d 506 Martin SIGSWORTH, Plaintiff-Appellant,v.CITY OF AURORA, ILLINOIS, an Illinois municipal corporation, a body politic; David Stover, Mayor of the City of Aurora, Illinois, William J. Lawler, Chief of Police of Aurora, et al., Defendants-Appellees. No. 05-4143. United States Court of Appeals, Seventh Circuit. Argued November 27, 2006. Decided May 25, 2007. John P. […]