Once lauded as thelongest-serving legislative leader in American history, Michael Madigan will enter a federal courtroom this week on charges he used his vast influence to run a “criminal enterprise” to amass even more wealth and power.

Judge John Blakey's father wrote the federal racketeering law that has famously been used to take down organized crime figures. But Blakey also established himself as an authority on the subject long before Madigan's historic trial.