RFI will evaluate City of Chicago options for ensuring quick responses by first responders in emergency situations. Mayor Brandon Johnson announced that a Request for Information (RFI) has been issued to gather recommendations on reliable and efficient forms of first responder technology to ensure immediate attention from first responders in emergency situations. The City of Chicago, as previously announced in February 2024, decommissioned the use of acoustic gunshot detection technology from SoundThinking, Inc. on Sunday, September 22, 2024.