Rock Island Resident Agency (CID)
Mark Arnold

110 Rodman
Rock Island Arsenal, Illinois 61299
Phone: (309)782-8392
Fax: (309)782-8399

Rock Island Resident Agency (CID) provides investigative support to all Army commanders located within Rock Island Arsenal and a five-state Area of Responsibility (AOR), which include Illinois, Iowa, Minnesota, Wisconsin, and the Upper peninsula of Michigan.