Autopsy report shows black college football player shot dead by white police officer had synthetic psychedelic drug and marijuana in his system Christian Taylor, the black college football player killed by a white police officer in Texas, is likely to have used a synthetic psychedelic drug and marijuana before the deadly confrontation at a car dealership, according to an autopsy report released on Wednesday.Taylor was unarmed when an Arlington police officer, Brad Miller, shot him on 7 August.