Record : ` ` For some unknown reason , this record has been deleted '' Kendrick Johnson , 17 , was found upside down in a rolled - up gym mat at high school . Second autopsy : Johnson 's death caused by ` ` apparent non - accidental '' trauma . Local law enforcement had said his death was accidental .
Attorney : `` For some unknown reason , this tape has been withheld '' Kendrick Johnson , 17 , was found upside down in a rolled-up gym mat at high school . Second autopsy : Teen 's death caused by `` apparent non-accidental '' trauma . Georgia law enforcement had said his death was accidental .