The death of Black man who was pinned to the ground by security guards outside a Milwaukee hotel has been ruled a homicide, according to an autopsy released Friday. D’Vontaye Mitchell suffocated while being restrained on June 30 and was suffering from the effects of drugs in his system, according to findings issued by the Milwaukee County Medical Examiner's office. The findings state that Mitchell’s immediate cause of death was “restraint asphyxia and toxic effects of cocaine and methamphetamine.”