Killing of Ahmaud Arbery Is Switched to a Fourth Prosecutor. Black People, Blacks, Murders, Attempted Murders and Homicides, Arbery, Ahmaud (1994-2020), McMichael, Gregory (1955- ), McMichael, Travis (1986- ), Carr, Christopher M, Atlanta (Ga), Cobb County (Ga), Holmes, Joyette M (1975- )