Question: is it illegal in illinois to record a conversation

title: Illinois wiretapping law
text: Illinois 's wiretapping law ( 720 Illinois Compiled Statutes 5 / Criminal Code of 2012 . Article 14 , also called the Illinois eavesdropping law ) was a `` two - party consent '' law . Illinois made it a crime to use an `` eavesdropping device '' to overhear or record a phone call or conversation without the consent of all parties to the conversation . The law was ruled unconstitutional in 2014 by the Illinois Supreme Court . The law defined an `` eavesdropping device '' as `` any device capable of being used to hear or record oral conversation or intercept , retain , or transcribe electronic communication whether such conversation or electronic communication is conducted in person , by telephone , or by any other means '' . The law had been repeatedly and controversially used to arrest people who have video - taped police . 

Answer: answer: Illinois made it a crime to use an `` eavesdropping device '' to overhear or record a phone call or conversation without the consent of all parties to the conversation . By law an `` eavesdropping device '' is defined as `` any device capable of being used to hear or record oral conversation or intercept , retain , or transcribe electronic communication whether such conversation or electronic communication is conducted in person , by telephone , or by any other means '' .