Id Url Resource class Title Description Source https://policing.umhistorylabs.lsa.umich.edu/s/crackdowndetroit/item/6288 Gribbs Administration Report on Manhunt Tom De Lisle to Mrs. Roman Gribbs, March 30, 1973, Box 448B, Folder 4, Roman S. Gribbs Mayoral Records, Burton Historical Collection, Detroit Public Library