Illinois’ high levels of corruption damage the state’s economy, costing it $10.6 billion since 2000. States with higher levels of corruption average lower levels of economic growth.

The Illinois House speaker was implicated in criminal charges filed against electrical company ComEd.

The developer’s recordings helped federal investigators charge Chicago Ald. Ed Burke and deepened the investigation into Illinois state corruption.

Focus too much on single aspects of Illinois corruption and the big picture will be lost, along with chances to fix the problems.

Government corruption is nothing new for Illinoisans. Illinois is the second-most corrupt state in the nation, according to research by the University of Illinois-Chicago. And corruption costs the state economy more than $550 million per year. What is new? Powerful Illinois lawmakers, Chicago aldermen, local mayors and business interests are involved in what appears to be...

Federal agents raided the offices of three suburban villages, including one governed by a mayor who doubles as a Cook County commissioner. All three are in the district of state Sen. Martin Sandoval, also the subject of a federal raid.

A fourth political ally of Illinois House Speaker Mike Madigan has become the latest target of an ongoing federal investigation.

Chicago’s top FBI officer offered term limits as one solution to Chicago’s culture of corruption, suggesting more revelations are on their way, as he moves into an executive role in Washington, D.C.

Chicago is the most corrupt city, and Illinois the second-most corrupt state, in the nation, according to a recent report by the University of Illinois at Chicago. But corruption in Illinois is more than a buzzword. It comes with social and economic costs. Not only does corruption lessen residents’ faith in the government, it decreases...