Where a defendant is charged as a principal and was not charged or argued to be guilty under an accountability theory, the trial court erred when it introduced the accountability theory of guilt in response to a jury question.The Illinois Appellate Court, 1st District, affirmed in part, reversed in part and remanded a decision by Cook County Associate Judge Angela Munari Petrone.In the early morning of June 27, 2007, a shootout took place on Chicago’s South Side. A white van drove by, fired guns and killed Roosevelt Wilson …