Id Url Resource class Title Description Source https://policing.umhistorylabs.lsa.umich.edu/s/crackdowndetroit/item/6504 DPD Use of Force Policy 1967-1975 (Excerpt) full policy here: https://policing.umhistorylabs.lsa.umich.edu/s/detroitunderfire/item/5569 Detroit Police Manual: Rules and Regulations of the Detroit Police Department (1967, 1970 update), Social Science, Education, and Religion Department, Detroit Public Library