NAVISTAR GUNMAN GOT PAST CRACKS IN GUN LAW By Alex Rodriguez and Matt O'Connor, Tribune Staff Writers... February 07, 2001 When a DuPage County judge convicted William D. Baker of criminal sexual assault on May 22, 1998, authorities should have made him relinquish possession of firearms he owned. They didn't. When a federal judge accepted Baker's guilty plea last November to charges he helped steal engines and engine parts, authorities had a second chance to force him to turn in the guns. Again, Baker kept them. State law prohibits convicted felons from possessing firearms. But as Baker's case illustrates, authorities ...