When Tony Rezko was on trial for corruption under Rod Blagojevich, the feds secretly sat down with a sitting U.S. Congressman with some questions.
The FBI queried U.S. Rep. Luis Gutierrez in the spring of 2008 about free upgrades he received on a riverfront town house he bought from Rezko. The unit cost less than his neighbors and sold for 40 percent more than for what he bought it.
Read details here: Gutierrez interview