Id Url Resource class Title Description Source https://policing.umhistorylabs.lsa.umich.edu/s/detroitunderfire/item/5975 Summary of Worobec and STRESS Unit 4 Statements Det. John Vansen, Memo re: "Fatal Shooting of John Doe #476 and John Doe #477, Sept. 17, 1971, "Fatal Shooting of Ricardo Buck and Craig Mitchell," Sept. 17, 1971, DPD File # A20-08940 (FOIA File)