Follow RT on the latest news on Illinois, which is one of the most populous states in the US. The capital of Illinois is Springfield, while its largest and the most developed city is Chicago. Illinois is a hub for various financial institutions. Get information and updates on economy, finance and markets. Chicago, being a huge city, attracts a lot of people from different backgrounds, including criminals. Find breaking news on crime such as police brutality and shooting incidents in Chicago and the rest of Illinois.