AND RIGHTLY SO: Illinois Supreme Court Overturns Insane Recording Laws. “It’s an immensely satisfying decision that turns the country’s most draconian anti-recording law on its head. Illinois politics being what they are, there may be no place in the country that needs recordings of public officials more than this state I call home. Attempts to criminalize such recordings in a way that went so far beyond privacy concerns were clearly an attempt to keep the local population at bay while corruption and illegality raged on.”

Note also that you have a due process right to record the police.