Is That Luis Gutierrez and Rahm Emanuel on FBI Wiretapped Phone Calls of Powerful Alderman Ed Burke?

Who's on the over 9,000 phone calls the FBI has been listening to of powerful Alderman Ed Burke ? Did Luis Gutierrez retire from Congress because he wanted to? What about Rahm? Some politicians retire because they claim they want to spend more time with their family. Did some politicians spend their time talking on the phone with Alderman Ed Burke?