Id Url Resource class Title Description Source https://policing.umhistorylabs.lsa.umich.edu/s/detroitunderfire/item/5679 Firecracker Incident 1972 MCRC Memo, Police-Community Relations Meeting at St. Rose Church, August 23, 1972, Box 26, Folder 8, Michigan Civil Rights Commission, Records Relating to Detroit Police Department, RG 74-90, Michigan State Archives