Judge Dan Doyle began his career as a special agent of the FBI. He later moved to Rockford, Ill., where he became a criminal trial prosecutor and defense attorney before being elected three times as an Illinois state's attorney. Doyle went on to serve as a judge for 13 years, half of that time spent as a justice of the Illinois Appellate Court. As a trial lawyer and judge, he has handled hundreds of felony cases including numerous murder prosecutions and has taught trial advocacy as an adjunct professor of law at Northern Illinois University. Doyle and his wife, Kirby, live in Rockford and spend their winters in Florida.