Illinois politics has a deep culture of corruption. We’ll talk with one of the reporters behind a new Chicago Tribune series that tries to answer why.

To explain the history of the case and what's been happening in court, The 21st was joined by a pair of journalists who have been following the story.

State Representative Luis Arroyo has resigned, one week after his arrest on federal bribery charges.

State Senator Martin Sandoval, who is under federal investigation for possible bribery and fraud involving state construction work, resigned Friday as head of the powerful Illinois Senate Transportation Committee, hours after the chamber released an unredacted search warrant revealing more details about an FBI raid last month.