Id Url Resource class Title Description Source https://policing.umhistorylabs.lsa.umich.edu/s/detroitunderfire/item/4631 McCoy Senate Testimony 1968 Part 2 Testimony of William R. McCoy, “Riots, Civil and Criminal Disorders: Part 6,” Hearings before the Permanent Subcommittee on Investigations, U.S. Senate,” March 21-22, 1968 (Washington: GPO, 1968)