His father, Cota, was a carpenter and played the position of catcher in Negro league baseball.
He attended basic training in Texas, and spent three years at Minot Air Force Base in North Dakota.
[citation needed] McKinnon holds a doctorate in higher education administration from Michigan State University, a master's in criminal justice from Mercy College of Detroit and a bachelor's in history and law enforcement from the University of Detroit.
[2] McKinnon led initiatives in the police force such as teaching officers basic Spanish to communicate better with Hispanic Americans and he also laid the groundwork for a gun buy-back program.
[7] He supported the installation of the controversial Homeless Jesus statue in front of Detroit's Saints Peter and Paul Church.
[9] McKinnon served as the security detail for Detroit mayor Jerome Cavanagh.