Madigan chief pleads ‘not guilty’ as Illinois pushes for corruption fixes Madigan chief pleads ‘not guilty’ as Illinois pushes for corruption fixes Tim Mapes, longtime chief of staff to former Illinois House Speaker Mike Madigan, pleaded ‘not guilty’ to federal charges he lied to a grand jury about Madigan and bribery. Strong ethics reforms can help fix Illinois’ culture of corruption. Illinois state lawmakers can still take a strong stand on corruption as they enter the final hours of the legislative session, a move that might stop them from being in the position Tim Mapes was May 28. Mapes, former chief of staff to former Illinois House Speaker Mike Madigan, pleaded “not guilty” to federal charges that he lied to a grand jury during questioning amid the Commonwealth Edison scandal. He was granted immunity in March, but then gave false testimony about Madigan’s relationship to confidant Mike McClain.