Former ComEd executive and cooperating government witness Fidel Marquez has returned to the witness stand for a sixth day of testimony at the bribery and racketeering trial of former Illinois House Speaker Michael Madigan and codefendant Michael McClain.

The case hinges on wiretapped phone calls, secret recordings, emails, and other messages. For days, Fidel Marquez, a politically-connected former ComEd executive, has been answering questions about his role in all of it. Attorneys on Wednesday brought the ...

Former ComEd executive Fidel Marquez is expected to testify for a sixth day at the corruption trial of former Illinois House Speaker and Democratic Party of Illinois Chairman Michael Madigan. Defense attorneys for Madigan and codefendant Michael McClain cross-examined Marquez on Wednesday.

Patrick Cotter, defense attorney for a longtime Madigan ally, spent more than three hours cross-examining former ComEd executive Fidel Marquez, trying to methodically rehabilitate his client.

Seizing on a tactic strengthened by a recent U.S. Supreme Court decision, defense attorneys in the Michael Madigan corruption trial began their cross-examination of a key witness Tuesday by trying to distinguish between exchanging jobs for official actions and simply currying favor with the formidable ex-House speaker.