Id Url Resource class Title Description Source https://policing.umhistorylabs.lsa.umich.edu/s/crackdowndetroit/item/4869 Melva Donovan Investigation Investigation of Melva Donovan Complaint by Cheif Investigator to Board of Police Commissioners, 1975. MaryAnn Mahaffey Papers, Folder 20 Box 38B, Burton Collection, Detroit Public Library