about 44 minutes into movie whenever Corky is saved by his family who crashes their car into the car that he is using that he's being driven around on the windshield with by the criminal

Corky is supposed to be wired, his voice should be heard from the speakers of the family's car. Whenever he is talking, his FBI associates who are gathered around the Romano's car should be able to hear his voice coming from the speakers and thus know that he is working for his family, the Romano family.