Overview

• Tim Mapes, former chief of staff to Michael Madigan, was sentenced to 2.5 years in prison for perjury and attempted obstruction of justice.
• Mapes was convicted of lying under oath to a grand jury investigating Madigan and his associates.
• Prosecutors argued Mapes' lies were intended to obstruct a federal investigation into corruption at the highest levels of Illinois government.
• Mapes' sentencing is part of a broader investigation that has seen multiple convictions related to public corruption in Illinois.
• Madigan, who resigned amid the investigation, faces his own trial later this year on separate charges.