Check the listing for details. Chicago Rapid Intervention Team NEW / Fire Patch. Condition: New. Listed at 6.95 USD. The Chicago Rapid Intervention Team (CRIT) Fire Patch is a collectible item that pays tribute to the firefighting and rescue capabilities of the Chicago Fire Department. This patch represents the specialized team that responds quickly to emergency situations in order to contain and extinguish fires, ensuring the safety of both personnel and civilians. It serves as a historical memorabilia piece that showcases the dedication and commitment of the firefighters who serve in the CRIT unit.