Where an administrative body has been found to be illegally composed, the de facto officer doctrine only prevents people from challenging final decisions already rendered by that body in court, but does not bar challenges to the body’s authority in ongoing proceedings.The 1st District Appellate Court affirmed in part, reversed in part and remanded a decision from Cook County Circuit Judge Sophia H. Hall.Matthew Goral is a Cook County sheriff employee who had been charged with a disciplinary infraction and who Sheriff …