Attorney : `` For some unknown reason , this tape has been withheld '' autopsy found that he died from positional asphyxia , and the Lowndes County Sheriff 's Office determined the death was accidental . Kendrick Johnson , 17 , was found upside down in a rolled-up gym mat at high school . He had no pulse and his heart stopped beating for several minutes before he died from cardiac arrest. Georgia 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 . He had no pulse and his heart stopped beating for several minutes before he died from cardiac arrest. Georgia law enforcement had said his death was accidental .