Quigley faces primary test Tuesday from progressive in race for Congress
Quigley, a member of the House Permanent Select Committee on Intelligence, helped lead the Russia investigation and questioned witnesses during public impeachment inquiry hearings.
But Burns says Congress should have been tougher on President Donald Trump.
Burns, the interim chief compliance officer at Pangea Money Transfer, supports Medicare for All and U.S. Sen. Bernie Sanders for president, while Quigley supports Medicare "for all who want it" and has endorsed former Vice President Joe Biden.
The four Chicago residents are running to represent a district that is centered on the city's North Side but stretches to suburbs including Rosemont, Des Plaines, Elk Grove Village, Bensenville, Elmhurst, Oak Brook and Oakbrook Terrace.