Id Url Resource class Title Description Source https://policing.umhistorylabs.lsa.umich.edu/s/crackdowndetroit/item/4297 Complaint of Narc Activity at Tammy's Bar Citizen Complaint to Mahaffey, (Aug. 7, 1979), Box 39, Folder 10, Maryann Mahaffey Papers, Burton Historical Collection, Detroit Public Library